hi there, i installed GUM for testing. starting zope brings no errors up when i want to add a GUM Instance and let all defaults (morten, ...) i get this error message. Remarks for Errortracking (Please pass this information to your support) Error Type: Bad Request Error Value: The id "Mail" is invalid--it is already in use. Error URL: http://sino:8090/ipMessenger/manage_addProduct/GUM/manage_add_gum Error Message: Error Absolute URL: http://sino:8090/ipMessenger 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. Traceback (innermost last): File /home/soli-con/ipOffice/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /home/soli-con/ipOffice/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/soli-con/ipOffice/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook File /home/soli-con/ipOffice/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/soli-con/ipOffice/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_add_gum) File /home/soli-con/ipOffice/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_add_gum) File /home/soli-con/ipOffice/lib/python/Products/GUM/gum.py, line 75, in manage_add_gum File /home/soli-con/ipOffice/lib/python/OFS/ObjectManager.py, line 270, in _setObject (Object: Traversable) File /home/soli-con/ipOffice/lib/python/OFS/ObjectManager.py, line 145, in checkValidId (Object: Traversable) Bad Request: (see above) -- soli-con Engineering Zanger, Dipl.-Ing. (FH) Olaf Marc Zanger Lorrainestrasse 23, 3013 Bern / Switzerland fon:+41-31-332 9782, mob:+41-76-572 9782 mailto:olaf.zanger@soli-con.com, http://www.soli-con.com