(Membership devel issue) OK, since I was getting nowhere, I tried a nre tack. I made the roles property a multiple_select. Seemed to work great. I could give roles to members. BUT, as soon as I deleted it ... TypeError Sorry, a Zope error occurred. Traceback (innermost last): File /local/ZopeSites/TestBed/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /local/ZopeSites/TestBed/lib/python/ZPublisher/Publish.py, line 187, in publish File /local/ZopeSites/TestBed/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File /local/ZopeSites/TestBed/lib/python/ZPublisher/Publish.py, line 171, in publish File /local/ZopeSites/TestBed/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage) File /local/ZopeSites/TestBed/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage) File /local/ZopeSites/TestBed/lib/python/App/special_dtml.py, line 120, in __call__ (Object: manage) (Info: /local/ZopeSites/TestBed/lib/python/OFS/properties.dtml) File /local/ZopeSites/TestBed/lib/python/DocumentTemplate/DT_String.py, line 528, in __call__ (Object: manage) File /local/ZopeSites/TestBed/lib/python/DocumentTemplate/DT_In.py, line 691, in renderwob (Object: propertyMap) File /local/ZopeSites/TestBed/lib/python/DocumentTemplate/DT_In.py, line 691, in renderwob (Object: _[select_variable]) File /local/ZopeSites/TestBed/lib/python/DocumentTemplate/DT_Util.py, line 337, in eval (Object: getProperty(id) and (_['sequence-item'] in getProperty(id))) (Info: getProperty) File <string>, line 0, in ? TypeError: string member test needs char left operand This happens when trying to access the 'RestrictedProperties" property sheet in the management interface. Any clues? -- Do not meddle in the affairs of sysadmins, for they are easy to annoy, and have the root password.