[ https://issues.jboss.org/browse/TEIIDDES-1661?page=com.atlassian.jira.plu... ] Barry LaFond commented on TEIIDDES-1661: ---------------------------------------- Tested and duplicated this issue. Designer error log contained the following after finishing with the CONCAT() in expression builder: java.lang.IllegalArgumentException: Expected argument to be non-null but got null at org.teiid.core.util.ArgCheck.isNotNull(ArgCheck.java:303) at org.teiid.core.util.ArgCheck.isNotNull(ArgCheck.java:289) at org.teiid83.type.DataTypeManagerService.getDataTypeName(DataTypeManagerService.java:74) at org.teiid.designer.transformation.ui.reconciler.Binding.updateAvailableSymbolConversionAndText(Binding.java:644) at org.teiid.designer.transformation.ui.reconciler.Binding.updateSqlConversionData(Binding.java:593) at org.teiid.designer.transformation.ui.reconciler.Binding.setNewSymbol(Binding.java:237) at org.teiid.designer.transformation.ui.reconciler.ReconcilerObject.bind(ReconcilerObject.java:382) at org.teiid.designer.transformation.ui.reconciler.ReconcilerPanel.expressionButtonPressed(ReconcilerPanel.java:688) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira