Well, fortunatly I had last nights backup of the Data.fs. Restoring that allowed Zope to be reverted to 2.7.7 and restart.
So here is my question. Normally I have been able to upgrade Zope, and if the upgrade had problems, revert to a prior version by simple redirecting the startup and python to the earlier version. Zope 2.8.1 was different. The upgrade, at least on the surface, appeared to alter something in the Data.fs, which prevented reversion to 2.7.7. I would be very interested in any insights into why this is. Was I experience a Zope issue or a Python 2.3.5 issue? The logs have not provided me an insight expect that the Mapping module was missing after the revert, which I don't think was an accurate assessment of the problem. -- Harlow Pinson Indepth Learning Email: [EMAIL PROTECTED] Phone: 505 994-2135 Fax: 505 994-3603 _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )