Why does pasting into a CatalogAware ZClass (not an instance, the ZClass itself) gives me: Error Type: AttributeError Error Value: REQUEST Traceback (innermost last): File /itamar/Zope-2.0.1-linux2-x86/lib/python/ZPublisher/Publish.py, line 214, in publish_module File /itamar/Zope-2.0.1-linux2-x86/lib/python/ZPublisher/Publish.py, line 179, in publish File /itamar/Zope-2.0.1-linux2-x86/lib/python/Zope/__init__.py, line 201, in zpublisher_exception_hook (Object: ElementWithAttributes) File /itamar/Zope-2.0.1-linux2-x86/lib/python/ZPublisher/Publish.py, line 165, in publish File /itamar/Zope-2.0.1-linux2-x86/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_pasteObjects) File /itamar/Zope-2.0.1-linux2-x86/lib/python/ZPublisher/Publish.py, line 102, in call_object (Object: manage_pasteObjects) File /itamar/Zope-2.0.1-linux2-x86/lib/python/OFS/CopySupport.py, line 225, in manage_pasteObjects (Object: ElementWithAttributes) File /itamar/Zope-2.0.1-linux2-x86/lib/python/OFS/ObjectManager.py, line 264, in _delObject (Object: ElementWithAttributes) File /itamar/Zope-2.0.1-linux2-x86/lib/python/Products/ZCatalog/CatalogAwareness.py, line 129, in manage_beforeDelete (Object: CatalogAware) File /itamar/Zope-2.0.1-linux2-x86/lib/python/Products/ZCatalog/CatalogAwareness.py, line 186, in unindex_object (Object: CatalogAware) File /itamar/Zope-2.0.1-linux2-x86/lib/python/Products/ZCatalog/CatalogAwareness.py, line 156, in url (Object: CatalogAware) File /itamar/Zope-2.0.1-linux2-x86/lib/python/OFS/SimpleItem.py, line 316, in absolute_url (Object: CatalogAware) AttributeError: (see above)