diff --git a/org.adempiere.base/src/org/compiere/model/MRole.java b/org.adempiere.base/src/org/compiere/model/MRole.java
index fbf2e7aca9..5dcbd35d88 100644
--- a/org.adempiere.base/src/org/compiere/model/MRole.java
+++ b/org.adempiere.base/src/org/compiere/model/MRole.java
@@ -88,6 +88,9 @@ public final class MRole extends X_AD_Role implements ImmutablePOSupport
 	 */
 	public static MRole getDefault (Properties ctx, boolean reload)
 	{
+		if (Util.isEmpty(Env.getContext(ctx, Env.AD_ROLE_ID)) || Util.isEmpty(Env.getContext(ctx, Env.AD_USER_ID)))
+			return null;
+		
 		int AD_Role_ID = Env.getContextAsInt(ctx, Env.AD_ROLE_ID);
 		int AD_User_ID = Env.getContextAsInt(ctx, Env.AD_USER_ID);
 
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditor.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditor.java
index dfefa9a565..f162d6c004 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditor.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditor.java
@@ -917,7 +917,8 @@ public abstract class WEditor implements EventListener<Event>, PropertyChangeLis
 	 * @return true if preference dialog is available and accessible
 	 */
 	protected boolean isShowPreference() {
-		return MRole.getDefault().isShowPreference() && gridField != null && !gridField.isEncrypted() && !gridField.isEncryptedColumn() && !gridField.isVirtualColumn();
+		return MRole.getDefault() != null && MRole.getDefault().isShowPreference() && gridField != null && !gridField.isEncrypted() 
+				&& !gridField.isEncryptedColumn() && !gridField.isVirtualColumn();
 	}
 
 	/**