--- a/UIPainterView.st	Thu Jul 24 20:12:26 2003 +0200
+++ b/UIPainterView.st	Tue Aug 19 12:11:16 2003 +0200
@@ -368,6 +368,7 @@
     ].
 
     (self canPaste:aSpecificationOrList) ifFalse:[
+        Dialog warn:'Cannot paste into selected component (not a container ?)'.
         ^ nil
     ].