diff --git a/base/src/org/adempiere/util/GenerateModel.java b/base/src/org/adempiere/util/GenerateModel.java
index 0d43f4adb7..282a84859b 100644
--- a/base/src/org/adempiere/util/GenerateModel.java
+++ b/base/src/org/adempiere/util/GenerateModel.java
@@ -67,7 +67,7 @@ public class GenerateModel
 	 */
 	public static void main (String[] args)
 	{
-		Adempiere.startupEnvironment(false);
+		Adempiere.startupEnvironment((args.length > 4 && args[4].equals("Client")));
 		CLogMgt.setLevel(Level.FINE);
 		log.info("Generate Model   $Revision: 1.42 $");
 		log.info("----------------------------------");
diff --git a/base/src/org/adempiere/util/ModelClassGenerator.java b/base/src/org/adempiere/util/ModelClassGenerator.java
index 372e7e5722..120495afa1 100644
--- a/base/src/org/adempiere/util/ModelClassGenerator.java
+++ b/base/src/org/adempiere/util/ModelClassGenerator.java
@@ -39,7 +39,6 @@ import org.compiere.util.CLogger;
 import org.compiere.util.DB;
 import org.compiere.util.DisplayType;
 import org.compiere.util.Env;
-import org.compiere.util.Util;
 
 /**
  *  Generate Model Classes extending PO.
@@ -55,7 +54,6 @@ import org.compiere.util.Util;
  * 				<li>better formating of generated source 
  * 				<li>[ 1787876 ] ModelClassGenerator: list constants should be ordered
  * 				<li>FR [ 1803309 ] Model generator: generate get method for Search cols
- * 				<li>BF [ 1882470 ] Generate Class Model: setter for lookup fields issue
  * @author Victor Perez, e-Evolution
  * 				<li>FR [ 1785001 ] Using ModelPackage of EntityType to Generate Model Class  
  */
@@ -535,18 +533,17 @@ public class ModelClassGenerator
 		{
 			if (columnName.endsWith("_ID"))
 			{
-				int firstOK = 1;	//	Valid ID 0
-				if (columnName.equals("AD_Client_ID") || columnName.equals("AD_Org_ID") 
-					|| columnName.equals("Record_ID") || columnName.equals("C_DocType_ID")
-					|| columnName.equals("Node_ID") || columnName.equals("AD_Role_ID")
-					|| columnName.equals("AD_User_ID")
-					|| columnName.equals("M_AttributeSet_ID") || columnName.equals("M_AttributeSetInstance_ID"))
-					firstOK = 0;
-				//
+				int firstOK = 1;
 				if (isMandatory)	//	check mandatory ID
 				{
+					if (columnName.equals("AD_Client_ID") || columnName.equals("AD_Org_ID") 
+						|| columnName.equals("Record_ID") || columnName.equals("C_DocType_ID")
+						|| columnName.equals("Node_ID") || columnName.equals("AD_Role_ID")
+						|| columnName.equals("M_AttributeSet_ID") || columnName.equals("M_AttributeSetInstance_ID"))
+						firstOK = 0;
 					sb.append("\t\tif (").append (columnName).append (" < ").append(firstOK).append(")").append(NL)
-						.append("\t\t\t throw new IllegalArgumentException (\"").append(columnName).append(" is mandatory.\");").append(NL);
+						.append("\t\t\t throw new IllegalArgumentException (\"")
+						.append(columnName).append(" is mandatory.\");").append(NL);
 				}
 				else				//	set optional _ID to null if 0
 					sb.append("\t\tif (").append (columnName).append (" < ").append(firstOK).append(") ").append(NL)
diff --git a/base/src/org/compiere/model/X_AD_AccessLog.java b/base/src/org/compiere/model/X_AD_AccessLog.java
index 1b0283ba2c..77951dac98 100644
--- a/base/src/org/compiere/model/X_AD_AccessLog.java
+++ b/base/src/org/compiere/model/X_AD_AccessLog.java
@@ -209,7 +209,7 @@ public class X_AD_AccessLog extends PO implements I_AD_AccessLog, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_Value (COLUMNNAME_Record_ID, null);
 		else 
 			set_Value (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_AlertRecipient.java b/base/src/org/compiere/model/X_AD_AlertRecipient.java
index 253a4ddd3d..c85b344c49 100644
--- a/base/src/org/compiere/model/X_AD_AlertRecipient.java
+++ b/base/src/org/compiere/model/X_AD_AlertRecipient.java
@@ -155,7 +155,7 @@ public class X_AD_AlertRecipient extends PO implements I_AD_AlertRecipient, I_Pe
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -194,7 +194,7 @@ public class X_AD_AlertRecipient extends PO implements I_AD_AlertRecipient, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_Archive.java b/base/src/org/compiere/model/X_AD_Archive.java
index 646e7631cd..a65ef448d3 100644
--- a/base/src/org/compiere/model/X_AD_Archive.java
+++ b/base/src/org/compiere/model/X_AD_Archive.java
@@ -342,7 +342,7 @@ public class X_AD_Archive extends PO implements I_AD_Archive, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_Value (COLUMNNAME_Record_ID, null);
 		else 
 			set_Value (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_AttachmentNote.java b/base/src/org/compiere/model/X_AD_AttachmentNote.java
index 24cbbb11f4..a1352a11f6 100644
--- a/base/src/org/compiere/model/X_AD_AttachmentNote.java
+++ b/base/src/org/compiere/model/X_AD_AttachmentNote.java
@@ -158,7 +158,7 @@ public class X_AD_AttachmentNote extends PO implements I_AD_AttachmentNote, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_Issue.java b/base/src/org/compiere/model/X_AD_Issue.java
index aa82aa163c..ff81aab3be 100644
--- a/base/src/org/compiere/model/X_AD_Issue.java
+++ b/base/src/org/compiere/model/X_AD_Issue.java
@@ -894,7 +894,7 @@ public class X_AD_Issue extends PO implements I_AD_Issue, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_LdapAccess.java b/base/src/org/compiere/model/X_AD_LdapAccess.java
index b4be8102d9..9edc002c70 100755
--- a/base/src/org/compiere/model/X_AD_LdapAccess.java
+++ b/base/src/org/compiere/model/X_AD_LdapAccess.java
@@ -156,7 +156,7 @@ public class X_AD_LdapAccess extends PO implements I_AD_LdapAccess, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_Note.java b/base/src/org/compiere/model/X_AD_Note.java
index 5d9b4b4291..cdc80eda2a 100644
--- a/base/src/org/compiere/model/X_AD_Note.java
+++ b/base/src/org/compiere/model/X_AD_Note.java
@@ -188,7 +188,7 @@ public class X_AD_Note extends PO implements I_AD_Note, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
@@ -318,7 +318,7 @@ public class X_AD_Note extends PO implements I_AD_Note, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_PInstance.java b/base/src/org/compiere/model/X_AD_PInstance.java
index dc9b8800d6..fffef35293 100644
--- a/base/src/org/compiere/model/X_AD_PInstance.java
+++ b/base/src/org/compiere/model/X_AD_PInstance.java
@@ -165,7 +165,7 @@ public class X_AD_PInstance extends PO implements I_AD_PInstance, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_Package_Exp_Common.java b/base/src/org/compiere/model/X_AD_Package_Exp_Common.java
index c6076a5b86..5c8383d9d1 100644
--- a/base/src/org/compiere/model/X_AD_Package_Exp_Common.java
+++ b/base/src/org/compiere/model/X_AD_Package_Exp_Common.java
@@ -313,7 +313,7 @@ public class X_AD_Package_Exp_Common extends PO implements I_AD_Package_Exp_Comm
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
diff --git a/base/src/org/compiere/model/X_AD_Package_Exp_Detail.java b/base/src/org/compiere/model/X_AD_Package_Exp_Detail.java
index 0db3cb49d2..a927513d56 100644
--- a/base/src/org/compiere/model/X_AD_Package_Exp_Detail.java
+++ b/base/src/org/compiere/model/X_AD_Package_Exp_Detail.java
@@ -495,7 +495,7 @@ public class X_AD_Package_Exp_Detail extends PO implements I_AD_Package_Exp_Deta
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
diff --git a/base/src/org/compiere/model/X_AD_Preference.java b/base/src/org/compiere/model/X_AD_Preference.java
index ec36ed1fd4..b116825f44 100644
--- a/base/src/org/compiere/model/X_AD_Preference.java
+++ b/base/src/org/compiere/model/X_AD_Preference.java
@@ -118,7 +118,7 @@ public class X_AD_Preference extends PO implements I_AD_Preference, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_Private_Access.java b/base/src/org/compiere/model/X_AD_Private_Access.java
index 3b01b84399..b6c8638662 100644
--- a/base/src/org/compiere/model/X_AD_Private_Access.java
+++ b/base/src/org/compiere/model/X_AD_Private_Access.java
@@ -133,7 +133,7 @@ public class X_AD_Private_Access extends PO implements I_AD_Private_Access, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_Registration.java b/base/src/org/compiere/model/X_AD_Registration.java
index 1dbd40a56b..bc936899d9 100644
--- a/base/src/org/compiere/model/X_AD_Registration.java
+++ b/base/src/org/compiere/model/X_AD_Registration.java
@@ -416,7 +416,7 @@ public class X_AD_Registration extends PO implements I_AD_Registration, I_Persis
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_SchedulerRecipient.java b/base/src/org/compiere/model/X_AD_SchedulerRecipient.java
index 69b9fd68ea..fe5fd0e2c6 100644
--- a/base/src/org/compiere/model/X_AD_SchedulerRecipient.java
+++ b/base/src/org/compiere/model/X_AD_SchedulerRecipient.java
@@ -95,7 +95,7 @@ public class X_AD_SchedulerRecipient extends PO implements I_AD_SchedulerRecipie
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -194,7 +194,7 @@ public class X_AD_SchedulerRecipient extends PO implements I_AD_SchedulerRecipie
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_Session.java b/base/src/org/compiere/model/X_AD_Session.java
index 63f65c40da..3833a8c4f7 100644
--- a/base/src/org/compiere/model/X_AD_Session.java
+++ b/base/src/org/compiere/model/X_AD_Session.java
@@ -96,7 +96,7 @@ public class X_AD_Session extends PO implements I_AD_Session, I_Persistent
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
diff --git a/base/src/org/compiere/model/X_AD_System.java b/base/src/org/compiere/model/X_AD_System.java
index 37341529a4..6298705f87 100644
--- a/base/src/org/compiere/model/X_AD_System.java
+++ b/base/src/org/compiere/model/X_AD_System.java
@@ -620,7 +620,7 @@ public class X_AD_System extends PO implements I_AD_System, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_Value (COLUMNNAME_Record_ID, null);
 		else 
 			set_Value (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_AD_TreeBar.java b/base/src/org/compiere/model/X_AD_TreeBar.java
index f53c12343a..a4fae01b06 100644
--- a/base/src/org/compiere/model/X_AD_TreeBar.java
+++ b/base/src/org/compiere/model/X_AD_TreeBar.java
@@ -134,7 +134,7 @@ public class X_AD_TreeBar extends PO implements I_AD_TreeBar, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_User.java b/base/src/org/compiere/model/X_AD_User.java
index 975d2a9d14..a9c262e37d 100644
--- a/base/src/org/compiere/model/X_AD_User.java
+++ b/base/src/org/compiere/model/X_AD_User.java
@@ -109,7 +109,7 @@ public class X_AD_User extends PO implements I_AD_User, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_UserBPAccess.java b/base/src/org/compiere/model/X_AD_UserBPAccess.java
index f062dd7cbc..552a07cbb1 100644
--- a/base/src/org/compiere/model/X_AD_UserBPAccess.java
+++ b/base/src/org/compiere/model/X_AD_UserBPAccess.java
@@ -117,7 +117,7 @@ public class X_AD_UserBPAccess extends PO implements I_AD_UserBPAccess, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_UserDef_Win.java b/base/src/org/compiere/model/X_AD_UserDef_Win.java
index 50fc25c203..88346200c4 100644
--- a/base/src/org/compiere/model/X_AD_UserDef_Win.java
+++ b/base/src/org/compiere/model/X_AD_UserDef_Win.java
@@ -125,7 +125,7 @@ public class X_AD_UserDef_Win extends PO implements I_AD_UserDef_Win, I_Persiste
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -183,7 +183,7 @@ public class X_AD_UserDef_Win extends PO implements I_AD_UserDef_Win, I_Persiste
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_UserMail.java b/base/src/org/compiere/model/X_AD_UserMail.java
index ba9e23d2da..bec3ab7cbc 100644
--- a/base/src/org/compiere/model/X_AD_UserMail.java
+++ b/base/src/org/compiere/model/X_AD_UserMail.java
@@ -117,7 +117,7 @@ public class X_AD_UserMail extends PO implements I_AD_UserMail, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_UserQuery.java b/base/src/org/compiere/model/X_AD_UserQuery.java
index a59c2ac556..55aca86b2f 100644
--- a/base/src/org/compiere/model/X_AD_UserQuery.java
+++ b/base/src/org/compiere/model/X_AD_UserQuery.java
@@ -195,7 +195,7 @@ public class X_AD_UserQuery extends PO implements I_AD_UserQuery, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_User_OrgAccess.java b/base/src/org/compiere/model/X_AD_User_OrgAccess.java
index 834b5407df..1c96e61a34 100644
--- a/base/src/org/compiere/model/X_AD_User_OrgAccess.java
+++ b/base/src/org/compiere/model/X_AD_User_OrgAccess.java
@@ -95,7 +95,7 @@ public class X_AD_User_OrgAccess extends PO implements I_AD_User_OrgAccess, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_User_Roles.java b/base/src/org/compiere/model/X_AD_User_Roles.java
index c0b824cda8..baec49aec4 100644
--- a/base/src/org/compiere/model/X_AD_User_Roles.java
+++ b/base/src/org/compiere/model/X_AD_User_Roles.java
@@ -132,7 +132,7 @@ public class X_AD_User_Roles extends PO implements I_AD_User_Roles, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_User_Substitute.java b/base/src/org/compiere/model/X_AD_User_Substitute.java
index be62bb0cf7..bdfdd80ad5 100644
--- a/base/src/org/compiere/model/X_AD_User_Substitute.java
+++ b/base/src/org/compiere/model/X_AD_User_Substitute.java
@@ -98,7 +98,7 @@ public class X_AD_User_Substitute extends PO implements I_AD_User_Substitute, I_
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_AD_WF_Activity.java b/base/src/org/compiere/model/X_AD_WF_Activity.java
index 3e130e126a..81e2700af2 100644
--- a/base/src/org/compiere/model/X_AD_WF_Activity.java
+++ b/base/src/org/compiere/model/X_AD_WF_Activity.java
@@ -165,7 +165,7 @@ public class X_AD_WF_Activity extends PO implements I_AD_WF_Activity, I_Persiste
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_WF_EventAudit.java b/base/src/org/compiere/model/X_AD_WF_EventAudit.java
index 4690f98b93..50f27d269e 100644
--- a/base/src/org/compiere/model/X_AD_WF_EventAudit.java
+++ b/base/src/org/compiere/model/X_AD_WF_EventAudit.java
@@ -128,7 +128,7 @@ public class X_AD_WF_EventAudit extends PO implements I_AD_WF_EventAudit, I_Pers
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_WF_Process.java b/base/src/org/compiere/model/X_AD_WF_Process.java
index 761916fe21..7f4aabd312 100644
--- a/base/src/org/compiere/model/X_AD_WF_Process.java
+++ b/base/src/org/compiere/model/X_AD_WF_Process.java
@@ -163,7 +163,7 @@ public class X_AD_WF_Process extends PO implements I_AD_WF_Process, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_AD_WF_Responsible.java b/base/src/org/compiere/model/X_AD_WF_Responsible.java
index 581097c180..38701c9a32 100644
--- a/base/src/org/compiere/model/X_AD_WF_Responsible.java
+++ b/base/src/org/compiere/model/X_AD_WF_Responsible.java
@@ -123,7 +123,7 @@ public class X_AD_WF_Responsible extends PO implements I_AD_WF_Responsible, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_A_Asset.java b/base/src/org/compiere/model/X_A_Asset.java
index fdc0c42a32..5a8a4bcfae 100644
--- a/base/src/org/compiere/model/X_A_Asset.java
+++ b/base/src/org/compiere/model/X_A_Asset.java
@@ -107,7 +107,7 @@ public class X_A_Asset extends PO implements I_A_Asset, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_A_Asset_Delivery.java b/base/src/org/compiere/model/X_A_Asset_Delivery.java
index ae1dc012f5..2489e27a7c 100644
--- a/base/src/org/compiere/model/X_A_Asset_Delivery.java
+++ b/base/src/org/compiere/model/X_A_Asset_Delivery.java
@@ -97,7 +97,7 @@ public class X_A_Asset_Delivery extends PO implements I_A_Asset_Delivery, I_Pers
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_A_Registration.java b/base/src/org/compiere/model/X_A_Registration.java
index d4bc8de11a..ab9a064920 100644
--- a/base/src/org/compiere/model/X_A_Registration.java
+++ b/base/src/org/compiere/model/X_A_Registration.java
@@ -100,7 +100,7 @@ public class X_A_Registration extends PO implements I_A_Registration, I_Persiste
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_B_Bid.java b/base/src/org/compiere/model/X_B_Bid.java
index 9faa5ecd53..62d96bc4f7 100644
--- a/base/src/org/compiere/model/X_B_Bid.java
+++ b/base/src/org/compiere/model/X_B_Bid.java
@@ -99,7 +99,7 @@ public class X_B_Bid extends PO implements I_B_Bid, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_BidComment.java b/base/src/org/compiere/model/X_B_BidComment.java
index 1042b42aca..d281a14bfc 100644
--- a/base/src/org/compiere/model/X_B_BidComment.java
+++ b/base/src/org/compiere/model/X_B_BidComment.java
@@ -96,7 +96,7 @@ public class X_B_BidComment extends PO implements I_B_BidComment, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_Buyer.java b/base/src/org/compiere/model/X_B_Buyer.java
index f6690e1b13..5b03cd54db 100644
--- a/base/src/org/compiere/model/X_B_Buyer.java
+++ b/base/src/org/compiere/model/X_B_Buyer.java
@@ -97,7 +97,7 @@ public class X_B_Buyer extends PO implements I_B_Buyer, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_BuyerFunds.java b/base/src/org/compiere/model/X_B_BuyerFunds.java
index 2fd9430a69..4e602b0277 100644
--- a/base/src/org/compiere/model/X_B_BuyerFunds.java
+++ b/base/src/org/compiere/model/X_B_BuyerFunds.java
@@ -99,7 +99,7 @@ public class X_B_BuyerFunds extends PO implements I_B_BuyerFunds, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_Offer.java b/base/src/org/compiere/model/X_B_Offer.java
index 654b51e91f..0cfcd67665 100644
--- a/base/src/org/compiere/model/X_B_Offer.java
+++ b/base/src/org/compiere/model/X_B_Offer.java
@@ -99,7 +99,7 @@ public class X_B_Offer extends PO implements I_B_Offer, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_Seller.java b/base/src/org/compiere/model/X_B_Seller.java
index d91b0e4ad2..9712b527d2 100644
--- a/base/src/org/compiere/model/X_B_Seller.java
+++ b/base/src/org/compiere/model/X_B_Seller.java
@@ -98,7 +98,7 @@ public class X_B_Seller extends PO implements I_B_Seller, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_B_SellerFunds.java b/base/src/org/compiere/model/X_B_SellerFunds.java
index 17a9953fbf..58b86249a9 100644
--- a/base/src/org/compiere/model/X_B_SellerFunds.java
+++ b/base/src/org/compiere/model/X_B_SellerFunds.java
@@ -99,7 +99,7 @@ public class X_B_SellerFunds extends PO implements I_B_SellerFunds, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_CM_CStageTTable.java b/base/src/org/compiere/model/X_CM_CStageTTable.java
index 6cba8040f9..0d00dd9d46 100644
--- a/base/src/org/compiere/model/X_CM_CStageTTable.java
+++ b/base/src/org/compiere/model/X_CM_CStageTTable.java
@@ -258,7 +258,7 @@ public class X_CM_CStageTTable extends PO implements I_CM_CStageTTable, I_Persis
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_CM_ChatEntry.java b/base/src/org/compiere/model/X_CM_ChatEntry.java
index 9bc81f61c2..75038afe4b 100644
--- a/base/src/org/compiere/model/X_CM_ChatEntry.java
+++ b/base/src/org/compiere/model/X_CM_ChatEntry.java
@@ -99,7 +99,7 @@ public class X_CM_ChatEntry extends PO implements I_CM_ChatEntry, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_CM_ChatTypeUpdate.java b/base/src/org/compiere/model/X_CM_ChatTypeUpdate.java
index 6b0426968d..52fd17b103 100644
--- a/base/src/org/compiere/model/X_CM_ChatTypeUpdate.java
+++ b/base/src/org/compiere/model/X_CM_ChatTypeUpdate.java
@@ -95,7 +95,7 @@ public class X_CM_ChatTypeUpdate extends PO implements I_CM_ChatTypeUpdate, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_CM_ChatUpdate.java b/base/src/org/compiere/model/X_CM_ChatUpdate.java
index a99ef99614..6bdadf921d 100644
--- a/base/src/org/compiere/model/X_CM_ChatUpdate.java
+++ b/base/src/org/compiere/model/X_CM_ChatUpdate.java
@@ -95,7 +95,7 @@ public class X_CM_ChatUpdate extends PO implements I_CM_ChatUpdate, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_CM_ContainerTTable.java b/base/src/org/compiere/model/X_CM_ContainerTTable.java
index 97dc796945..3e6773eacf 100644
--- a/base/src/org/compiere/model/X_CM_ContainerTTable.java
+++ b/base/src/org/compiere/model/X_CM_ContainerTTable.java
@@ -258,7 +258,7 @@ public class X_CM_ContainerTTable extends PO implements I_CM_ContainerTTable, I_
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_CM_WebAccessLog.java b/base/src/org/compiere/model/X_CM_WebAccessLog.java
index daf1f1d621..1e723845a7 100644
--- a/base/src/org/compiere/model/X_CM_WebAccessLog.java
+++ b/base/src/org/compiere/model/X_CM_WebAccessLog.java
@@ -99,7 +99,7 @@ public class X_CM_WebAccessLog extends PO implements I_CM_WebAccessLog, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_BP_BankAccount.java b/base/src/org/compiere/model/X_C_BP_BankAccount.java
index 4b3c486fb7..d5651ee156 100644
--- a/base/src/org/compiere/model/X_C_BP_BankAccount.java
+++ b/base/src/org/compiere/model/X_C_BP_BankAccount.java
@@ -97,7 +97,7 @@ public class X_C_BP_BankAccount extends PO implements I_C_BP_BankAccount, I_Pers
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_DunningRunEntry.java b/base/src/org/compiere/model/X_C_DunningRunEntry.java
index ef5f4db5c8..4f742612ee 100644
--- a/base/src/org/compiere/model/X_C_DunningRunEntry.java
+++ b/base/src/org/compiere/model/X_C_DunningRunEntry.java
@@ -104,7 +104,7 @@ public class X_C_DunningRunEntry extends PO implements I_C_DunningRunEntry, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_Invoice.java b/base/src/org/compiere/model/X_C_Invoice.java
index f037bcc5e6..8438576dae 100644
--- a/base/src/org/compiere/model/X_C_Invoice.java
+++ b/base/src/org/compiere/model/X_C_Invoice.java
@@ -161,7 +161,7 @@ public class X_C_Invoice extends PO implements I_C_Invoice, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_InvoiceBatchLine.java b/base/src/org/compiere/model/X_C_InvoiceBatchLine.java
index 9bc1a39fea..a51aa91e6d 100644
--- a/base/src/org/compiere/model/X_C_InvoiceBatchLine.java
+++ b/base/src/org/compiere/model/X_C_InvoiceBatchLine.java
@@ -148,7 +148,7 @@ public class X_C_InvoiceBatchLine extends PO implements I_C_InvoiceBatchLine, I_
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_JobAssignment.java b/base/src/org/compiere/model/X_C_JobAssignment.java
index 9e2a93a1b1..280f97acce 100644
--- a/base/src/org/compiere/model/X_C_JobAssignment.java
+++ b/base/src/org/compiere/model/X_C_JobAssignment.java
@@ -98,7 +98,7 @@ public class X_C_JobAssignment extends PO implements I_C_JobAssignment, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_C_LandedCostAllocation.java b/base/src/org/compiere/model/X_C_LandedCostAllocation.java
index 2c550e9fc4..3943205f7e 100644
--- a/base/src/org/compiere/model/X_C_LandedCostAllocation.java
+++ b/base/src/org/compiere/model/X_C_LandedCostAllocation.java
@@ -198,7 +198,7 @@ public class X_C_LandedCostAllocation extends PO implements I_C_LandedCostAlloca
 	  */
 	public void setM_AttributeSetInstance_ID (int M_AttributeSetInstance_ID)
 	{
-		if (M_AttributeSetInstance_ID < 0) 
+		if (M_AttributeSetInstance_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, Integer.valueOf(M_AttributeSetInstance_ID));
diff --git a/base/src/org/compiere/model/X_C_Order.java b/base/src/org/compiere/model/X_C_Order.java
index 3bd8e3ef05..ea109235e0 100644
--- a/base/src/org/compiere/model/X_C_Order.java
+++ b/base/src/org/compiere/model/X_C_Order.java
@@ -178,7 +178,7 @@ public class X_C_Order extends PO implements I_C_Order, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_OrgAssignment.java b/base/src/org/compiere/model/X_C_OrgAssignment.java
index 24ebd2cc18..d4d2abad23 100644
--- a/base/src/org/compiere/model/X_C_OrgAssignment.java
+++ b/base/src/org/compiere/model/X_C_OrgAssignment.java
@@ -96,7 +96,7 @@ public class X_C_OrgAssignment extends PO implements I_C_OrgAssignment, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_C_POS.java b/base/src/org/compiere/model/X_C_POS.java
index d1802e3cdf..a9ebbf8c30 100644
--- a/base/src/org/compiere/model/X_C_POS.java
+++ b/base/src/org/compiere/model/X_C_POS.java
@@ -164,7 +164,7 @@ public class X_C_POS extends PO implements I_C_POS, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_C_Project.java b/base/src/org/compiere/model/X_C_Project.java
index b2d9e9e0d0..3927bbb918 100644
--- a/base/src/org/compiere/model/X_C_Project.java
+++ b/base/src/org/compiere/model/X_C_Project.java
@@ -116,7 +116,7 @@ public class X_C_Project extends PO implements I_C_Project, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_RfQ.java b/base/src/org/compiere/model/X_C_RfQ.java
index 07501b7970..4897772339 100644
--- a/base/src/org/compiere/model/X_C_RfQ.java
+++ b/base/src/org/compiere/model/X_C_RfQ.java
@@ -114,7 +114,7 @@ public class X_C_RfQ extends PO implements I_C_RfQ, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_RfQResponse.java b/base/src/org/compiere/model/X_C_RfQResponse.java
index 29c533700e..c92315c009 100644
--- a/base/src/org/compiere/model/X_C_RfQResponse.java
+++ b/base/src/org/compiere/model/X_C_RfQResponse.java
@@ -108,7 +108,7 @@ public class X_C_RfQResponse extends PO implements I_C_RfQResponse, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_RfQ_TopicSubscriber.java b/base/src/org/compiere/model/X_C_RfQ_TopicSubscriber.java
index f99b85e9b5..0c558780bc 100644
--- a/base/src/org/compiere/model/X_C_RfQ_TopicSubscriber.java
+++ b/base/src/org/compiere/model/X_C_RfQ_TopicSubscriber.java
@@ -98,7 +98,7 @@ public class X_C_RfQ_TopicSubscriber extends PO implements I_C_RfQ_TopicSubscrib
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_C_UserRemuneration.java b/base/src/org/compiere/model/X_C_UserRemuneration.java
index 6179013d67..23f636fcea 100644
--- a/base/src/org/compiere/model/X_C_UserRemuneration.java
+++ b/base/src/org/compiere/model/X_C_UserRemuneration.java
@@ -104,7 +104,7 @@ public class X_C_UserRemuneration extends PO implements I_C_UserRemuneration, I_
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_GL_Distribution.java b/base/src/org/compiere/model/X_GL_Distribution.java
index 2b7a2b613b..b8ca3716fe 100644
--- a/base/src/org/compiere/model/X_GL_Distribution.java
+++ b/base/src/org/compiere/model/X_GL_Distribution.java
@@ -644,7 +644,7 @@ public class X_GL_Distribution extends PO implements I_GL_Distribution, I_Persis
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_I_BPartner.java b/base/src/org/compiere/model/X_I_BPartner.java
index b4ae973f87..7580f39304 100644
--- a/base/src/org/compiere/model/X_I_BPartner.java
+++ b/base/src/org/compiere/model/X_I_BPartner.java
@@ -97,7 +97,7 @@ public class X_I_BPartner extends PO implements I_I_BPartner, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_I_GLJournal.java b/base/src/org/compiere/model/X_I_GLJournal.java
index 378dde474c..27386813e5 100644
--- a/base/src/org/compiere/model/X_I_GLJournal.java
+++ b/base/src/org/compiere/model/X_I_GLJournal.java
@@ -602,7 +602,7 @@ public class X_I_GLJournal extends PO implements I_I_GLJournal, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_I_Invoice.java b/base/src/org/compiere/model/X_I_Invoice.java
index 1296abf5c5..3914ff0c12 100644
--- a/base/src/org/compiere/model/X_I_Invoice.java
+++ b/base/src/org/compiere/model/X_I_Invoice.java
@@ -122,7 +122,7 @@ public class X_I_Invoice extends PO implements I_I_Invoice, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
@@ -523,7 +523,7 @@ public class X_I_Invoice extends PO implements I_I_Invoice, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_I_Order.java b/base/src/org/compiere/model/X_I_Order.java
index db2a34d7b7..9fdd42cae6 100644
--- a/base/src/org/compiere/model/X_I_Order.java
+++ b/base/src/org/compiere/model/X_I_Order.java
@@ -122,7 +122,7 @@ public class X_I_Order extends PO implements I_I_Order, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
@@ -489,7 +489,7 @@ public class X_I_Order extends PO implements I_I_Order, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_I_Payment.java b/base/src/org/compiere/model/X_I_Payment.java
index fe68f4b465..cd78a287bd 100644
--- a/base/src/org/compiere/model/X_I_Payment.java
+++ b/base/src/org/compiere/model/X_I_Payment.java
@@ -529,7 +529,7 @@ public class X_I_Payment extends PO implements I_I_Payment, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_K_Index.java b/base/src/org/compiere/model/X_K_Index.java
index 954cd69a6e..b44b664aac 100644
--- a/base/src/org/compiere/model/X_K_Index.java
+++ b/base/src/org/compiere/model/X_K_Index.java
@@ -176,7 +176,7 @@ public class X_K_Index extends PO implements I_K_Index, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_K_IndexStop.java b/base/src/org/compiere/model/X_K_IndexStop.java
index a8042a0f02..3fea85851b 100644
--- a/base/src/org/compiere/model/X_K_IndexStop.java
+++ b/base/src/org/compiere/model/X_K_IndexStop.java
@@ -136,7 +136,7 @@ public class X_K_IndexStop extends PO implements I_K_IndexStop, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_M_BOMProduct.java b/base/src/org/compiere/model/X_M_BOMProduct.java
index 497289ca3f..6eacd5e956 100644
--- a/base/src/org/compiere/model/X_M_BOMProduct.java
+++ b/base/src/org/compiere/model/X_M_BOMProduct.java
@@ -265,7 +265,7 @@ public class X_M_BOMProduct extends PO implements I_M_BOMProduct, I_Persistent
 	  */
 	public void setM_AttributeSetInstance_ID (int M_AttributeSetInstance_ID)
 	{
-		if (M_AttributeSetInstance_ID < 0) 
+		if (M_AttributeSetInstance_ID < 1) 
 			set_Value (COLUMNNAME_M_AttributeSetInstance_ID, null);
 		else 
 			set_Value (COLUMNNAME_M_AttributeSetInstance_ID, Integer.valueOf(M_AttributeSetInstance_ID));
diff --git a/base/src/org/compiere/model/X_M_InOut.java b/base/src/org/compiere/model/X_M_InOut.java
index 9e791be3a3..b466951aa7 100644
--- a/base/src/org/compiere/model/X_M_InOut.java
+++ b/base/src/org/compiere/model/X_M_InOut.java
@@ -153,7 +153,7 @@ public class X_M_InOut extends PO implements I_M_InOut, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_M_MatchInv.java b/base/src/org/compiere/model/X_M_MatchInv.java
index 3edfd65075..89cb1ebb28 100644
--- a/base/src/org/compiere/model/X_M_MatchInv.java
+++ b/base/src/org/compiere/model/X_M_MatchInv.java
@@ -220,7 +220,7 @@ public class X_M_MatchInv extends PO implements I_M_MatchInv, I_Persistent
 	  */
 	public void setM_AttributeSetInstance_ID (int M_AttributeSetInstance_ID)
 	{
-		if (M_AttributeSetInstance_ID < 0) 
+		if (M_AttributeSetInstance_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, Integer.valueOf(M_AttributeSetInstance_ID));
diff --git a/base/src/org/compiere/model/X_M_MatchPO.java b/base/src/org/compiere/model/X_M_MatchPO.java
index c1fe59e423..0aedc4431e 100644
--- a/base/src/org/compiere/model/X_M_MatchPO.java
+++ b/base/src/org/compiere/model/X_M_MatchPO.java
@@ -283,7 +283,7 @@ public class X_M_MatchPO extends PO implements I_M_MatchPO, I_Persistent
 	  */
 	public void setM_AttributeSetInstance_ID (int M_AttributeSetInstance_ID)
 	{
-		if (M_AttributeSetInstance_ID < 0) 
+		if (M_AttributeSetInstance_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_M_AttributeSetInstance_ID, Integer.valueOf(M_AttributeSetInstance_ID));
diff --git a/base/src/org/compiere/model/X_M_Product.java b/base/src/org/compiere/model/X_M_Product.java
index d77ebd32e1..7d5afab573 100644
--- a/base/src/org/compiere/model/X_M_Product.java
+++ b/base/src/org/compiere/model/X_M_Product.java
@@ -831,7 +831,7 @@ public class X_M_Product extends PO implements I_M_Product, I_Persistent
 	  */
 	public void setM_AttributeSet_ID (int M_AttributeSet_ID)
 	{
-		if (M_AttributeSet_ID < 0) 
+		if (M_AttributeSet_ID < 1) 
 			set_Value (COLUMNNAME_M_AttributeSet_ID, null);
 		else 
 			set_Value (COLUMNNAME_M_AttributeSet_ID, Integer.valueOf(M_AttributeSet_ID));
diff --git a/base/src/org/compiere/model/X_M_Requisition.java b/base/src/org/compiere/model/X_M_Requisition.java
index ac9371f0ae..68c425c70b 100644
--- a/base/src/org/compiere/model/X_M_Requisition.java
+++ b/base/src/org/compiere/model/X_M_Requisition.java
@@ -115,7 +115,7 @@ public class X_M_Requisition extends PO implements I_M_Requisition, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_M_RequisitionLine.java b/base/src/org/compiere/model/X_M_RequisitionLine.java
index cb2c78f519..20e2fc3a0e 100644
--- a/base/src/org/compiere/model/X_M_RequisitionLine.java
+++ b/base/src/org/compiere/model/X_M_RequisitionLine.java
@@ -238,7 +238,7 @@ public class X_M_RequisitionLine extends PO implements I_M_RequisitionLine, I_Pe
 	  */
 	public void setM_AttributeSetInstance_ID (int M_AttributeSetInstance_ID)
 	{
-		if (M_AttributeSetInstance_ID < 0) 
+		if (M_AttributeSetInstance_ID < 1) 
 			set_Value (COLUMNNAME_M_AttributeSetInstance_ID, null);
 		else 
 			set_Value (COLUMNNAME_M_AttributeSetInstance_ID, Integer.valueOf(M_AttributeSetInstance_ID));
diff --git a/base/src/org/compiere/model/X_PA_Goal.java b/base/src/org/compiere/model/X_PA_Goal.java
index 39e806019f..75c892a72a 100644
--- a/base/src/org/compiere/model/X_PA_Goal.java
+++ b/base/src/org/compiere/model/X_PA_Goal.java
@@ -107,7 +107,7 @@ public class X_PA_Goal extends PO implements I_PA_Goal, I_Persistent
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -146,7 +146,7 @@ public class X_PA_Goal extends PO implements I_PA_Goal, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_PA_SLA_Measure.java b/base/src/org/compiere/model/X_PA_SLA_Measure.java
index ed91141fea..0c20d9850b 100644
--- a/base/src/org/compiere/model/X_PA_SLA_Measure.java
+++ b/base/src/org/compiere/model/X_PA_SLA_Measure.java
@@ -301,7 +301,7 @@ public class X_PA_SLA_Measure extends PO implements I_PA_SLA_Measure, I_Persiste
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_Value (COLUMNNAME_Record_ID, null);
 		else 
 			set_Value (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_RV_BPartner.java b/base/src/org/compiere/model/X_RV_BPartner.java
index 65699390ce..7dd747d347 100644
--- a/base/src/org/compiere/model/X_RV_BPartner.java
+++ b/base/src/org/compiere/model/X_RV_BPartner.java
@@ -188,7 +188,7 @@ public class X_RV_BPartner extends PO implements I_RV_BPartner, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_R_CategoryUpdates.java b/base/src/org/compiere/model/X_R_CategoryUpdates.java
index 29d174cb68..c72bae4990 100644
--- a/base/src/org/compiere/model/X_R_CategoryUpdates.java
+++ b/base/src/org/compiere/model/X_R_CategoryUpdates.java
@@ -95,7 +95,7 @@ public class X_R_CategoryUpdates extends PO implements I_R_CategoryUpdates, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_R_ContactInterest.java b/base/src/org/compiere/model/X_R_ContactInterest.java
index 6026096a75..99d98d6463 100644
--- a/base/src/org/compiere/model/X_R_ContactInterest.java
+++ b/base/src/org/compiere/model/X_R_ContactInterest.java
@@ -97,7 +97,7 @@ public class X_R_ContactInterest extends PO implements I_R_ContactInterest, I_Pe
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_R_GroupUpdates.java b/base/src/org/compiere/model/X_R_GroupUpdates.java
index f3e8cbb825..a99b891205 100644
--- a/base/src/org/compiere/model/X_R_GroupUpdates.java
+++ b/base/src/org/compiere/model/X_R_GroupUpdates.java
@@ -95,7 +95,7 @@ public class X_R_GroupUpdates extends PO implements I_R_GroupUpdates, I_Persiste
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_R_IssueUser.java b/base/src/org/compiere/model/X_R_IssueUser.java
index 027157cb50..83795ae40d 100644
--- a/base/src/org/compiere/model/X_R_IssueUser.java
+++ b/base/src/org/compiere/model/X_R_IssueUser.java
@@ -95,7 +95,7 @@ public class X_R_IssueUser extends PO implements I_R_IssueUser, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_R_Request.java b/base/src/org/compiere/model/X_R_Request.java
index 2ff860d677..562814c7e8 100644
--- a/base/src/org/compiere/model/X_R_Request.java
+++ b/base/src/org/compiere/model/X_R_Request.java
@@ -116,7 +116,7 @@ public class X_R_Request extends PO implements I_R_Request, I_Persistent
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_Value (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -194,7 +194,7 @@ public class X_R_Request extends PO implements I_R_Request, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
@@ -1612,7 +1612,7 @@ public class X_R_Request extends PO implements I_R_Request, I_Persistent
 	  */
 	public void setRecord_ID (int Record_ID)
 	{
-		if (Record_ID < 0) 
+		if (Record_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_Record_ID, Integer.valueOf(Record_ID));
diff --git a/base/src/org/compiere/model/X_R_RequestAction.java b/base/src/org/compiere/model/X_R_RequestAction.java
index 9e8f00ed44..1f2f0aa7d1 100644
--- a/base/src/org/compiere/model/X_R_RequestAction.java
+++ b/base/src/org/compiere/model/X_R_RequestAction.java
@@ -97,7 +97,7 @@ public class X_R_RequestAction extends PO implements I_R_RequestAction, I_Persis
 	  */
 	public void setAD_Role_ID (int AD_Role_ID)
 	{
-		if (AD_Role_ID < 0) 
+		if (AD_Role_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_Role_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_Role_ID, Integer.valueOf(AD_Role_ID));
@@ -136,7 +136,7 @@ public class X_R_RequestAction extends PO implements I_R_RequestAction, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_R_RequestProcessor_Route.java b/base/src/org/compiere/model/X_R_RequestProcessor_Route.java
index a47b47d040..7b5f0c9a2c 100644
--- a/base/src/org/compiere/model/X_R_RequestProcessor_Route.java
+++ b/base/src/org/compiere/model/X_R_RequestProcessor_Route.java
@@ -97,7 +97,7 @@ public class X_R_RequestProcessor_Route extends PO implements I_R_RequestProcess
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_R_RequestTypeUpdates.java b/base/src/org/compiere/model/X_R_RequestTypeUpdates.java
index 1e47216974..98488a98b4 100644
--- a/base/src/org/compiere/model/X_R_RequestTypeUpdates.java
+++ b/base/src/org/compiere/model/X_R_RequestTypeUpdates.java
@@ -95,7 +95,7 @@ public class X_R_RequestTypeUpdates extends PO implements I_R_RequestTypeUpdates
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_R_RequestUpdates.java b/base/src/org/compiere/model/X_R_RequestUpdates.java
index 64d4d16dde..4ed610ec68 100644
--- a/base/src/org/compiere/model/X_R_RequestUpdates.java
+++ b/base/src/org/compiere/model/X_R_RequestUpdates.java
@@ -95,7 +95,7 @@ public class X_R_RequestUpdates extends PO implements I_R_RequestUpdates, I_Pers
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_ValueNoCheck (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_S_Resource.java b/base/src/org/compiere/model/X_S_Resource.java
index f403d4f719..dfa8075970 100644
--- a/base/src/org/compiere/model/X_S_Resource.java
+++ b/base/src/org/compiere/model/X_S_Resource.java
@@ -102,7 +102,7 @@ public class X_S_Resource extends PO implements I_S_Resource, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_T_Replenish.java b/base/src/org/compiere/model/X_T_Replenish.java
index 4791645fd4..f881315648 100644
--- a/base/src/org/compiere/model/X_T_Replenish.java
+++ b/base/src/org/compiere/model/X_T_Replenish.java
@@ -177,7 +177,7 @@ public class X_T_Replenish extends PO implements I_T_Replenish, I_Persistent
 	  */
 	public void setC_DocType_ID (int C_DocType_ID)
 	{
-		if (C_DocType_ID < 0) 
+		if (C_DocType_ID < 1) 
 			set_Value (COLUMNNAME_C_DocType_ID, null);
 		else 
 			set_Value (COLUMNNAME_C_DocType_ID, Integer.valueOf(C_DocType_ID));
diff --git a/base/src/org/compiere/model/X_W_Advertisement.java b/base/src/org/compiere/model/X_W_Advertisement.java
index 1c1afe631e..c8162e26fe 100644
--- a/base/src/org/compiere/model/X_W_Advertisement.java
+++ b/base/src/org/compiere/model/X_W_Advertisement.java
@@ -103,7 +103,7 @@ public class X_W_Advertisement extends PO implements I_W_Advertisement, I_Persis
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_W_Basket.java b/base/src/org/compiere/model/X_W_Basket.java
index 036a5d7b8e..62e54e81ca 100644
--- a/base/src/org/compiere/model/X_W_Basket.java
+++ b/base/src/org/compiere/model/X_W_Basket.java
@@ -96,7 +96,7 @@ public class X_W_Basket extends PO implements I_W_Basket, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0)
+		if (AD_User_ID < 1)
 			 throw new IllegalArgumentException ("AD_User_ID is mandatory.");
 		set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
 	}
diff --git a/base/src/org/compiere/model/X_W_Click.java b/base/src/org/compiere/model/X_W_Click.java
index a3ad15052f..60bff06a61 100644
--- a/base/src/org/compiere/model/X_W_Click.java
+++ b/base/src/org/compiere/model/X_W_Click.java
@@ -79,7 +79,7 @@ public class X_W_Click extends PO implements I_W_Click, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));
diff --git a/base/src/org/compiere/model/X_W_Counter.java b/base/src/org/compiere/model/X_W_Counter.java
index e7f067103b..8d2f4289a4 100644
--- a/base/src/org/compiere/model/X_W_Counter.java
+++ b/base/src/org/compiere/model/X_W_Counter.java
@@ -82,7 +82,7 @@ public class X_W_Counter extends PO implements I_W_Counter, I_Persistent
 	  */
 	public void setAD_User_ID (int AD_User_ID)
 	{
-		if (AD_User_ID < 0) 
+		if (AD_User_ID < 1) 
 			set_Value (COLUMNNAME_AD_User_ID, null);
 		else 
 			set_Value (COLUMNNAME_AD_User_ID, Integer.valueOf(AD_User_ID));