Clicking on "Cache detail" in the Debug Information Control Panel, I get the following traceback: Zope Error! Zope has encountered an error while publishing this resource. Error Type: AttributeError Error Value: __module__ Traceback (innermost last): File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/Publish.py, line 99, in publish File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/mapply.py, line 88, in mapply (Object: cache_detail) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/Publish.py, line 40, in call_object (Object: cache_detail) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/App/CacheManager.py, line 189, in cache_detail (Object: Control_Panel) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 161, in cacheDetail File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 135, in _connectionMap File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 157, in f AttributeError: __module__ Any ideas? --andy.