Hi, I'm trying to upgrade my Zope to the latest stable version. My test machine is running RedHat 7.3, python 2.1.3 (source), Zope 2.6.0 (source). The original data comes from a machine running suse 7.3, python 2.1.3 (source), and Zope 2.5.1 (source) When I start the new Zope with the Data.fs of the previous version, I get: 2002-11-05T20:54:06 ERROR(200) Zope Couldn't install OFSP Traceback (innermost last): Module OFS.Application, line 700, in install_product - __traceback_info__: OFSP Module ZODB.Transaction, line 222, in commit Module ZODB.Transaction, line 195, in commit Module ZODB.Transaction, line 256, in _commit_objects Module ZODB.Connection, line 389, in commit - __traceback_info__: (('intSet', 'intSet'), '\x00\x00\x00\x00\x00\x00\x08:', '') Module ZODB.FileStorage, line 705, in store ConflictError: database conflict error (oid 000000000000083a, serial was 0348a51f52d8776e, now 0000000000000000) ------ 2002-11-05T20:54:08 ERROR(200) Zope Couldn't install ZCatalog Traceback (innermost last): Module OFS.Application, line 700, in install_product - __traceback_info__: ZCatalog Module ZODB.Transaction, line 222, in commit Module ZODB.Transaction, line 195, in commit Module ZODB.Transaction, line 256, in _commit_objects Module ZODB.Connection, line 389, in commit - __traceback_info__: (('intSet', 'intSet'), '\x00\x00\x00\x00\x00\x00\x0e\xb6', '') Module ZODB.FileStorage, line 705, in store ConflictError: database conflict error (oid 0000000000000eb6, serial was 0348a51f6ab4c9a2, now 0000000000000000) I also get this warning which hadn't appeared in a long time ago: /usr/local/Zope/2.6.0/lib/python/SearchIndex/__init__.py:19: DeprecationWarning: The usage of the SearchIndex package is deprecated since Zope 2.4. This package is only kept for backwards compatibility for a while and will go away in a future release. Please use instead the re-factored modules in Products/PluginIndexes. warnings.warn("The usage of the SearchIndex package is deprecated since \ Then the server starts. Also, when trying to query the catalog through the manage interface I get the records I want, but this message appears several times on my log file: ------ 2002-11-05T20:59:36 ERROR(200) ZODB Couldn't load state for '\x00\x00\x00\x00\x00\x01\x91+' Traceback (innermost last): Module ZODB.Connection, line 533, in setstate Module ZODB.Connection, line 192, in _persistent_load - __traceback_info__: . Module ZODB.Connection, line 131, in __getitem__ - __traceback_info__: Here comes a lot of characters that doesn't make any sense to me Could not load oid ., pickled data in traceback info may contain clues ------ At the end of all of this comes: ------ 2002-11-05T20:59:59 PROBLEM(100) ZODB Could not import class 'CADFolder' from module '*nskuqovTqw3NvqWvBdGN0g==' ------ 2002-11-05T21:00:05 PROBLEM(100) ZODB Could not import class 'EventFolder' from module '*aMUfubARz/CXaB9cEaCxFw==' Those are ZClasses that I've installed and that have worked in the previous version. Does anybody has a clue? Thanks in advanced, Josef.