I've got a strange error here; whenever absolute_url is called, it is raised a KeyError exception, stating that SERVER_URL is missing.. (The traceback..) Traceback (innermost last): File /usr/local/Zope/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /usr/local/Zope/lib/python/ZPublisher/Publish.py, line 187, in publish File /usr/local/Zope/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook File /usr/local/Zope/lib/python/ZPublisher/Publish.py, line 171, in publish File /usr/local/Zope/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_addTransform) File /usr/local/Zope/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_addTransform) File /usr/local/Zope/lib/python/Products/Transform/transform.py, line 54, in manage_addTransform File /usr/local/Zope/lib/python/Products/Transform/transform.py, line 154, in __init__ (Object: CatalogAware) File /usr/local/Zope/lib/python/OFS/ObjectManager.py, line 278, in _setObject (Object: CatalogAware) File /usr/local/Zope/lib/python/OFS/ObjectManager.py, line 286, in manage_afterAdd (Object: Traversable) File /usr/local/Zope/lib/python/OFS/ObjectManager.py, line 286, in manage_afterAdd (Object: Traversable) File /usr/local/Zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 114, in manage_afterAdd (Object: CatalogAware) File /usr/local/Zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 184, in index_object (Object: CatalogAware) File /usr/local/Zope/lib/python/Products/ZCatalog/CatalogAwareness.py, line 157, in url (Object: CatalogAware) File /usr/local/Zope/lib/python/OFS/Traversable.py, line 119, in absolute_url (Object: CatalogAware) KeyError: (see above) The line(s) causing the error were a rather long list of _setObject commands: """ [...] self._setObject('M', agencysort.AgencySort('M')) self._setObject('N', agencysort.AgencySort('N')) [...] """ Any ideas? Thanks in advance. -Morten