I have a ZClass that inherits (indirectly thorugh a python class) from CatalogAware. I cut an instance, then paste it. I get the following error (2.1.0 and 2.1.1): Error Type: AttributeError Error Value: aq_acquire Traceback (innermost last): ... File /home/zope/lib/python/OFS/CopySupport.py, line 225, in manage_pasteObjects (Object: CatalogAware) File /home/zope/lib/python/OFS/ObjectManager.py, line 267, in _delObject (Object: ElementWithAttributes) File /home/zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 129, in manage_beforeDelete (Object: CatalogAware) File /home/zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 186, in unindex_object (Object: CatalogAware) File /home/zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 156, in url (Object: CatalogAware) File /home/zope/lib/python/OFS/SimpleItem.py, line 315, in absolute_url (Object: CatalogAware) File /home/zope/lib/python/OFS/SimpleItem.py, line 315, in absolute_url (Object: ElementWithAttributes) File /home/zope/lib/python/OFS/Application.py, line 282, in absolute_url (Object: ApplicationDefaultPermissions) AttributeError: (see above) -- Itamar S.T. itamars@ibm.net