Hello, I try to install Core Session Tracking (CoreSessionTracking0-8.tar.gz) on Zope 2.4.0. It say: 2001-07-24T17:01:13 ERROR(200) Zope Couldn't install CoreSessionTracking Traceback (innermost last): File /usr/local/www/Zope/lib/python/OFS/Application.py, line 657, in install_product (Object: ApplicationDefaultPermissions) (Info: CoreSessionTracking) File /usr/local/www/Zope/lib/python/Products/CoreSessionTracking/__init__.py, line 97, in initialize File /usr/local/www/Zope/lib/python/App/ProductContext.py, line 233, in registerClass File /usr/local/www/Zope/lib/python/Interface/Util.py, line 66, in instancesOfObjectImplements (Object: SessionIdManager) File /usr/local/www/Zope/lib/python/Interface/Util.py, line 72, in _wi (Object: SessionIdManagerInterface) TypeError: loop over non-sequence Any Ideas? Giovanni Coi _________________________________________________________ Prometeo srl - The Software Experience Coi Giovanni Voice : +39 (041)5701366 Via Giudecca 15 Fax : +39 (041)5701005 30035 MIRANO (VE) - ITALY e-mail: coi@prometeo.it http://www.prometeo.it