I get the following error when I call the following method in a ZOPE product, REQUEST.session.set('sometext',"<customer></customer>") Error Type: SystemError Error Value: This object was originally created by a product that is no longer installed. It cannot be updated. File /usr/lib/zope/lib/python/Products/SessionManager/Session.py, line 18, in __setitem__ File /usr/lib/zope/lib/python/Products/SessionManager/Session.py, line 78, in changed File /usr/lib/zope/lib/python/Products/SessionManager/FileBoundCollection.py, line 35, in sessionChanged File /usr/lib/zope/lib/python/OFS/Uninstalled.py, line 102, in __getstate__ (Object: broken) SystemError: (see above) Could the following line have caused this problem. del REQUEST.session['sometext'] When the session is set from a dtml method it works. Version info ------------- Zope version: Zope 2.1.6 (binary release, python 1.5.2, linux2-x86) Python version: 1.5.2 (#10, Dec 6 1999, 12:16:27) [GCC 2.7.2.3] System Platform: linux2 PLease Help