Hi guys ! does anyone knows how tho change / setting the ownership of an Object with python or with DTML !! I tried in python and it gave me the following error : Zope Error Zope has encountered an error while publishing this resource. Error Type: TypeError Error Value: cannot marshal objects ---------------------------------------------------------------------------- ---- Troubleshooting Suggestions The URL may be incorrect. The parameters passed to this resource may be incorrect. A resource that this resource relies on may be encountering an error. For more detailed information about the error, please refer to the HTML source for this page. If the error persists please contact the site maintainer. Thank you for your patience. Traceback (innermost last): File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 187, in publish File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 171, in publish File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: teste) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: teste) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/OFS/DTMLDocument.py, line 189, in __call__ (Object: teste) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/DocumentTemplate/DT_String. py, line 538, in __call__ (Object: teste) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/DocumentTemplate/DT_In.py, line 713, in renderwob (Object: acl_users.getUsers()) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/DocumentTemplate/DT_Let.py, line 147, in render (Object: user=sequence-item) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/DocumentTemplate/DT_Let.py, line 147, in render (Object: usernam="user.getUserName()") File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/DocumentTemplate/DT_Util.py , line 337, in eval (Object: gtOwner(user)) (Info: gtOwner) File <string>, line 0, in ? File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/Products/ExternalMethod/Ext ernalMethod.py, line 269, in __call__ (Object: gtOwner) (Info: ((epires,), {}, None)) File /usr/local/Zope/Zope-2.3.0-linux2-x86/Extensions/getowner.py, line 8, in GetOwner (Object: Traversable) File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/xmlrpclib.py, line 547, in __call__ File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/xmlrpclib.py, line 625, in __request File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/xmlrpclib.py, line 503, in dumps File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/xmlrpclib.py, line 278, in dumps File /usr/local/Zope/Zope-2.3.0-linux2-x86/lib/python/xmlrpclib.py, line 289, in __dump TypeError: (see above)