Hi, While trying to view an older version of a Python Script using the History tab, I got: Error Type: TemporalParadox Error Value: You can't change history! Traceback (innermost last): File /usr/local/zope/2.4.0_base/lib/python/ZPublisher/Publish.py, line 223, in publish_module File /usr/local/zope/2.4.0_base/lib/python/ZPublisher/Publish.py, line 187, in publish File /usr/local/zope/2.4.0_base/lib/python/Zope/__init__.py, line 226, in zpublisher_exception_hook (Object: index_list) File /usr/local/zope/2.4.0_base/lib/python/ZPublisher/Publish.py, line 175, in publish File /usr/local/zope/2.4.0_base/lib/python/Zope/__init__.py, line 240, in commit File /usr/local/zope/2.4.0_base/lib/python/ZODB/Transaction.py, line 301, in commit File /usr/local/zope/2.4.0_base/lib/python/OFS/History.py, line 111, in commit TemporalParadox: (see above) What gives? ;-) Chris