Index: APPS/MAG/UGLYPicking/impl/UglyPickingService.cls.xml
===================================================================
diff -u -r2322 -r51792
--- APPS/MAG/UGLYPicking/impl/UglyPickingService.cls.xml	(.../UglyPickingService.cls.xml)	(revision 2322)
+++ APPS/MAG/UGLYPicking/impl/UglyPickingService.cls.xml	(.../UglyPickingService.cls.xml)	(revision 51792)
@@ -832,6 +832,9 @@
 	
 	If (ResultSet.Next())
 	{
+		If '($Data(ResultSet.Data("IsInGebruik"))) {
+			Do ##class(TECH.ExceptionHandler).Throw(##class(TECH.Exceptions.GeneralErrorException).%New("Error IsBonInGebruik() - Mogelijk data corrupt. Probeer eerst: ##class(APPS.MAG.UGLYPicking.impl.Sessie).%PurgeIndices() + .%BuildIndices() ."))
+		}
 		Set IsInGebruik = ResultSet.Data("IsInGebruik")
 	}
 	Else