I went to save a version (called 'NewHeader') on the Save/Discard tab, and I got an error: Zope Error Zope has encountered an error while publishing this resource. Error Type: KeyError Error Value: ~ -------------------------------------------------------------------------------- Here's the traceback: Traceback (innermost last): File /usr/local/zope/Zope-2.1.0-src/lib/python/ZPublisher/Publish.py, line 214, in publish_module File /usr/local/zope/Zope-2.1.0-src/lib/python/ZPublisher/Publish.py, line 179, in publish File /usr/local/zope/Zope-2.1.0-src/lib/python/Zope/__init__.py, line 202, in zpublisher_exception_hook (Object: RoleManager) File /usr/local/zope/Zope-2.1.0-src/lib/python/ZPublisher/Publish.py, line 169, in publish File /usr/local/zope/Zope-2.1.0-src/lib/python/ZODB/Transaction.py, line 237, in commit File /usr/local/zope/Zope-2.1.0-src/lib/python/ZODB/DB.py, line 576, in commit File /usr/local/zope/Zope-2.1.0-src/lib/python/ZODB/FileStorage.py, line 480, in commitVersion (Object: /usr/local/zope/Zope-2.1.0-src/var/Data.fs) KeyError: (see above) To state the obvious, I'm running Zope 2.1.0 compiled from the source. Any help is appreciated.