--- a/UIPainterView.st	Wed Mar 06 10:01:59 2013 +0100
+++ b/UIPainterView.st	Wed Mar 06 10:02:27 2013 +0100
@@ -2183,7 +2183,7 @@
     "/ stupid check, if I know about this view
     prop := self propertyOfView:view.
     prop notNil ifTrue:[^ prop view].
-self halt.
+    self halt:'nil property'.
     ^ nil
 !