> I have migrated from 2.1.6 to 2.2.0 by copying Data.fs. Everything > works except when I try to create > a new ZClass, I get "Could not load oid" error. Any help how to fix it is > appreciated. Just checking - but did you also reinstall (from the original tgz's) all of the products you make have based your zclasses on? I have seen oids on standard output until I had fully reinstalled optional products. If in doub, reinstall everything listed under control-panel, products. maybe nothing to do with it of course .. Jonathan _______________________________________________ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )