Hi all This doesn't cause a Zope error, but it shows up in my log: 2001-12-17T16:26:08 INFO(0) Z2 CONFLICT Competing writes at, /HelpSys/menu Traceback (innermost last): File /usr/local/zope/creme/2-4-3/lib/python/ZPublisher/Publish.py, line 171, in publish File /usr/local/zope/creme/2-4-3/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: menu) File /usr/local/zope/creme/2-4-3/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: menu) File /usr/local/zope/creme/2-4-3/lib/python/Shared/DC/Scripts/Bindings.py, line 324, in __call__ (Object: menu) File /usr/local/zope/creme/2-4-3/lib/python/Shared/DC/Scripts/Bindings.py, line 354, in _bindAndExec (Object: menu) File /usr/local/zope/creme/2-4-3/lib/python/App/special_dtml.py, line 244, in _exec (Object: menu) File /usr/local/zope/creme/2-4-3/lib/python/TreeDisplay/TreeTag.py, line 159, in render (Object: a tree tag) File /usr/local/zope/creme/2-4-3/lib/python/TreeDisplay/TreeTag.py, line 269, in tpRender (Object: HelpSys) File /usr/local/zope/creme/2-4-3/lib/python/TreeDisplay/TreeTag.py, line 523, in tpRenderTABLE (Object: HelpSys) (Info: (['Tm9uZQ==', [['ZPatterns']]], {'childless_decoration': '', 'id': 'tpId', 'branches': 'tpValues', 'url': 'tpURL'}, [['Tm9uZQ==', [['ZPatterns']]]], [['Tm9uZQ==', [['ZPatterns']]]])) File /usr/local/zope/creme/2-4-3/lib/python/TreeDisplay/TreeTag.py, line 323, in tpRenderTABLE File /usr/local/zope/creme/2-4-3/lib/python/HelpSys/HelpSys.py, line 228, in tpValues File /usr/local/zope/creme/2-4-3/lib/python/HelpSys/HelpSys.py, line 331, in tpValues (Object: Help) File /usr/local/zope/creme/2-4-3/lib/python/ZODB/Connection.py, line 535, in setstate ConflictError: ("'\\x00\\x00\\x00\\x00\\x00\\x02f\\xa5'", '<extension class HelpSys.HelpTopic.STXTopic at 8578c60>') I was just browsing the help system on a Zope 2.4.3 installation. I'm using it with a Data.fs that was in used under Zope 2.3.2. Any idea what's causing this? Regards, Jean