diff --git a/org.adempiere.base/src/org/compiere/model/MRole.java b/org.adempiere.base/src/org/compiere/model/MRole.java
index 7734595927..2b0519649b 100644
--- a/org.adempiere.base/src/org/compiere/model/MRole.java
+++ b/org.adempiere.base/src/org/compiere/model/MRole.java
@@ -743,6 +743,9 @@ public final class MRole extends X_AD_Role
 	 */
 	private void loadOrgAccessUser(ArrayList<OrgAccess> list)
 	{
+		if (getAD_User_ID() == -1) {
+			log.severe("Trying to load Org Access from User but user has not been set");
+		}
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
 		String sql = "SELECT * FROM AD_User_OrgAccess "
@@ -2784,6 +2787,7 @@ public final class MRole extends X_AD_Role
 		final int AD_User_ID = getAD_User_ID();
 		if (AD_User_ID < 0)
 		{
+			log.severe("Trying to load Child Roles but user has not been set");
 			//throw new IllegalStateException("AD_User_ID is not set");
 			return ;
 		}
@@ -2819,6 +2823,7 @@ public final class MRole extends X_AD_Role
 		final int AD_User_ID = getAD_User_ID();
 		if (AD_User_ID < 0)
 		{
+			log.severe("Trying to load Substituted Roles but user has not been set");
 			//throw new IllegalStateException("AD_User_ID is not set");
 			return;
 		}
diff --git a/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/ModelADServiceImpl.java b/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/ModelADServiceImpl.java
index 6d7c5a80b5..f85ea2ba22 100644
--- a/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/ModelADServiceImpl.java
+++ b/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/ModelADServiceImpl.java
@@ -358,8 +358,8 @@ public class ModelADServiceImpl extends AbstractService implements ModelADServic
 			String tableName = parameterName.substring(0, parameterName.length()-3);
 			StringBuilder sql = new StringBuilder("SELECT ");
 			sql.append(parameterName).append(" FROM ").append(tableName)
-				.append(" WHERE ").append(tableName).append("_UU=").append(DB.TO_STRING(string));
-			return DB.getSQLValue(null, sql.toString());
+				.append(" WHERE ").append(tableName).append("_UU=?");
+			return DB.getSQLValue(null, sql.toString(), string);
 		}
 		
 		Map<String, Object> requestCtx = getRequestCtx();
@@ -412,7 +412,7 @@ public class ModelADServiceImpl extends AbstractService implements ModelADServic
 			// Validate parameters
 			try {
 				modelRunProcess.setADMenuID(validateParameter("AD_Menu_ID", modelRunProcess.getADMenuID()));
-			} catch(XmlValueOutOfRangeException e) { //	Catch the exception when the Process ID is not an Integer
+			} catch(XmlValueOutOfRangeException e) { //	Catch the exception when the Menu ID is not an Integer
 				String menuUU = getUUIDValue(modelRunProcess.xgetADMenuID());
 				if (menuUU == null) {
 					throw e;
@@ -484,7 +484,15 @@ public class ModelADServiceImpl extends AbstractService implements ModelADServic
 			int roleid = reqlogin.getRoleID();
 	
 	    	// Validate parameters
-			modelGetList.setADReferenceID(validateParameter("AD_Reference_ID", modelGetList.getADReferenceID()));
+			try {
+				modelGetList.setADReferenceID(validateParameter("AD_Reference_ID", modelGetList.getADReferenceID()));
+			} catch(XmlValueOutOfRangeException e) { //	Catch the exception when the Reference ID is not an Integer
+				String refUU = getUUIDValue(modelGetList.xgetADReferenceID());
+				if (refUU == null) {
+					throw e;
+				}
+				modelGetList.setADReferenceID(validateParameter("AD_Reference_ID", 0, refUU));
+			}
 			modelGetList.setFilter(validateParameter("Filter", modelGetList.getFilter()));
 	
 	    	int ref_id = modelGetList.getADReferenceID();
@@ -543,7 +551,7 @@ public class ModelADServiceImpl extends AbstractService implements ModelADServic
 	
 	    	} else if (MReference.VALIDATIONTYPE_TableValidation.equals(ref.getValidationType())) {
 	    		// Fill values from a reference table
-	    		MRole role = new MRole(ctx, roleid, null);
+	    		MRole role = MRole.get(ctx, roleid);
 	    		MRefTable rt = MRefTable.get(ctx,  ref_id);
 	    		if (rt == null || rt.get_ID() == 0)
 	    			throw new IdempiereServiceFault("Web service type "
diff --git a/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/Process.java b/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/Process.java
index f49b979afa..052a60cdf8 100644
--- a/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/Process.java
+++ b/org.idempiere.webservices/WEB-INF/src/org/idempiere/adinterface/Process.java
@@ -74,6 +74,12 @@ public class Process {
 	
 	private static final CLogger	log = CLogger.getCLogger(Process.class);
 
+	/**
+	 * @param cs
+	 * @param req
+	 * @return
+	 * @deprecated - method not used - will be deleted in future versions
+	 */
 	public static ProcessParamsDocument getProcessParams( CompiereService cs, GetProcessParamsDocument req ) 
 	{
 		ProcessParamsDocument res = ProcessParamsDocument.Factory.newInstance();
@@ -193,11 +199,15 @@ public class Process {
 		RunProcessResponse r= res.addNewRunProcessResponse();
 
 		RunProcess rp = req.getRunProcess();
+		int AD_Menu_ID = rp.getADMenuID();
 		int AD_Process_ID = rp.getADProcessID();
 		int m_record_id = rp.getADRecordID();
 	  	
-		MProcess process = MProcess.get (m_cs.getCtx() , AD_Process_ID);
-		//	need to check if Role can access
+		MProcess process = null;
+		if (AD_Menu_ID <= 0 && AD_Process_ID > 0)
+			process = MProcess.get(m_cs.getCtx(), AD_Process_ID);
+		else if (AD_Menu_ID > 0 && AD_Process_ID <= 0)
+			process = MProcess.getFromMenu(m_cs.getCtx(), AD_Menu_ID);
 		if (process == null)
 		{
 			r.setError("Process not found");