dwt-samples\jface run time Exception: Attempt to include invalid key _in Collection

[Frank Benoit]

yidabu schrieb:
>> Did they work for you with 0.99.5? (to be sure its an tango 
>> 0.99.5->0.99.6 issue)
> 
> I tested with tango 0.99.5 svn first, get same issues.

hm, i tested all jface examples in this scenario.
Do you have a chance to locate the problematic place within dwtx ? 
stacktrace/debugger?