hello all has anybody encountered problems when upgrading from 2.2.0 to 2.2.1b1? i have problems with some products (kmnetnews), and some of my ZClasses. are there any known issues? things i should have considered? there are also tracebacks "Couldn't load state" when starting zope in debug mode.. platform RH6.2, straight ZServer products - KMnetnews, a few ZClasses, thanks --traceback when i tried accessing kmnetnews-- Zope Error Zope has encountered an error while publishing this resource. TypeError Sorry, a Zope error occurred. Traceback (innermost last): File /home/kdie/Zope-2.2.1b1-src/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /home/kdie/Zope-2.2.1b1-src/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/kdie/Zope-2.2.1b1-src/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File /home/kdie/Zope-2.2.1b1-src/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/kdie/Zope-2.2.1b1-src/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: index_html) File /home/kdie/Zope-2.2.1b1-src/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: index_html) File /home/kdie/Zope-2.2.1b1-src/lib/python/OFS/DTMLDocument.py, line 171, in __call__ (Object: index_html) File /home/kdie/Zope-2.2.1b1-src/lib/python/DocumentTemplate/DT_String.py, line 502, in __call__ (Object: index_html) File /home/kdie/Zope-2.2.1b1-src/lib/python/DocumentTemplate/DT_With.py, line 146, in render (Object: Data) File /home/kdie/Zope-2.2.1b1-src/lib/python/DocumentTemplate/DT_Util.py, line 337, in eval (Object: index_html(_.None, _, category='top')) (Info: _) File <string>, line 0, in ? TypeError: call of non-function (type None) ----end tracebacks ---- --tracebacks starting zope-- ------ 2000-08-17T03:53:37 ERROR(200) ZODB Couldn't load state for '\000\000\000\000\000\000\000Z' Traceback (innermost last): File /home/kdie/Zope-2.2.1b1-src/lib/python/ZODB/Connection.py, line 447, in setstate File /home/kdie/Zope-2.2.1b1-src/lib/python/ZODB/Connection.py, line 213, in _persistent_load (Info: 8÷) File /home/kdie/Zope-2.2.1b1-src/lib/python/ZODB/Connection.py, line 154, in __getitem__ ---data snipped---