Hmm... I found some really strangeness after Zope restart. It always appears me in stupid_log_file after manager is logged in into ZMI. What's this? Does anymobdy know why mouned DB at /temp_folder goes crazy?: ......... File /opt/zope/lib/python/ZODB/Mount.py, line 43, in parentClassFactory File /opt/zope/lib/python/ZODB/Mount.py, line 43, in parentClassFactory File /opt/zope/lib/python/ZODB/Mount.py, line 43, in parentClassFactory File /opt/zope/lib/python/ZODB/Mount.py, line 43, in parentClassFactory File /opt/zope/lib/python/ZODB/Mount.py, line 43, in parentClassFactory RuntimeError: maximum recursion depth exceeded ------ 2002-12-03T08:48:37 INFO(0) ZODB Closed database: '142073576_1034688042.325979' ------ 2002-12-03T08:48:46 INFO(0) ZODB Opening database for mounting: '142073576_1034688042.325979' ------ 2002-12-03T08:48:46 INFO(0) ZODB Mounted database '142073576_1034688042.325979' at /temp_folder -- Regards, Bogdan This is an object-oriented system. If we change anything, the users object.