--- a/AbstractSourceCodeManager.st	Wed Dec 07 11:59:59 2016 +0000
+++ b/AbstractSourceCodeManager.st	Mon Dec 12 11:29:00 2016 +0000
@@ -2860,7 +2860,8 @@
     packageDir isNil ifTrue:[^ nil].
     moduleDir := self moduleFromSourceInfo:sourceInfo.  "/ use the modules name as CVS module
     classFileName := self containerFromSourceInfo:sourceInfo.
-
+    classFileName isNil ifTrue:[^ nil].
+    
     ^ self newestRevisionInFile:classFileName directory:packageDir module:moduleDir
 
 "/    |log|