[Zope-CMF] cmf 1.2

[Baldocchi Massimiliano]

I have updated cmf from 1.1 to 1.2, but now all types i've defined as
zclass don't works! 

If i add content, i've this error:

Traceback (innermost last):
File C:\sviluppo\zope251\lib\python\ZPublisher\Publish.py, line 150,
in publish_module
File C:\sviluppo\zope251\lib\python\ZPublisher\Publish.py, line 114,
in publish
File C:\sviluppo\zope251\lib\python\Zope\__init__.py, line 159, in
zpublisher_exception_hook
(Object: 1020938962193)
File C:\sviluppo\zope251\lib\python\ZPublisher\Publish.py, line 98, in
publish
File C:\sviluppo\zope251\lib\python\ZPublisher\mapply.py, line 88, in
mapply
(Object: invokeFactory)
File C:\sviluppo\zope251\lib\python\ZPublisher\Publish.py, line 39, in
call_object
(Object: invokeFactory)
File C:\sviluppo\zope251\lib\python\Products\CMFCore\PortalFolder.py,
line 335, in invokeFactory
(Object: 1020938962193)
File C:\sviluppo\zope251\lib\python\Products\CMFCore\TypesTool.py,
line 701, in constructContent
(Object: portal_types)
File C:\sviluppo\zope251\lib\python\Products\CMFCore\TypesTool.py,
line 430, in constructInstance
(Object: esercizi)
File C:\sviluppo\zope251\lib\python\OFS\ObjectManager.py, line 232, in
_getOb
(Object: 1020938962193)
AttributeError: (see above)

Why????
Help me, please!!!

Massi