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