I am getting the following error while trying to add a ZClass programmatically with proxy set to manger: Traceback (innermost last): Module ZPublisher.Publish, line 100, in publish Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 40, in call_object Module OFS.DTMLMethod, line 130, in __call__ - <DTMLMethod instance at b30e6620> - URL: http://localhost:8080/register/addUser/manage_main - Physical Path: /register/addUser Module DocumentTemplate.DT_String, line 474, in __call__ Module DocumentTemplate.DT_With, line 76, in render Module DocumentTemplate.DT_Util, line 201, in eval - __traceback_info__: UserFileFolder_add Module <string>, line 1, in <expression> Module Shared.DC.Scripts.Bindings, line 306, in __call__ Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec Module Products.PythonScripts.PythonScript, line 318, in _exec Module None, line 3, in UserFileFolder_add - <PythonScript at /Users/UserFolders/UserFileFolder_add> - Line 3 Module AccessControl.Owned, line 123, in getWrappedOwner ValueError: unpack list of wrong size Here is the dtml: <dtml-with "Users.UserFolders.manage_addProduct['UserFileFolder']"> <dtml-call "UserFileFolder_add(redirect=0)"></dtml-with> I can manually add with no problems. Any ideas?? Chris