Hi Zoppistes, With the listConf method, I'm scanning the DTML document of the conf folder (see Zope tree below) then, I render the values of these document properties ( id, title, author). ====================== Problem ====================== It's working with id and title but *not with author* Why? ====================== Zope Tree ====================== /listConf ['DTML Method'] /conf ['folder'] conf1 ['DTML Document] conf2 ['DTML Document] ====================== The DTML listConf Method : ====================== <!--#in "['DTML Document']"--> <!--#if "objectValues(_['sequence-item'])"--> <!--#with conf--> <!--#in "objectValues(_['sequence-item'])"--> <a href="conf/<!--#var id-->"><!--#var title-->, <!--#var author-></a> <!--#/in--> <!--#/with--> <!--#/if--> <!--#/in--> ====================== The ERROR ====================== <!-- Error type: KeyError Error value: author --> </BODY></HTML> <!-- Traceback (innermost last): File /opt/zope/Zope-2.1.2/lib/python/ZPublisher/Publish.py, line 214, in publish_module File /opt/zope/Zope-2.1.2/lib/python/ZPublisher/Publish.py, line 179, in publish File /opt/zope/Zope-2.1.2/lib/python/Zope/__init__.py, line 202, in zpublisher_exception_hook (Object: ElementWithAttributes) File /opt/zope/Zope-2.1.2/lib/python/ZPublisher/Publish.py, line 165, in publish File /opt/zope/Zope-2.1.2/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: listeConf) File /opt/zope/Zope-2.1.2/lib/python/ZPublisher/Publish.py, line 102, in call_object (Object: listeConf) File /opt/zope/Zope-2.1.2/lib/python/OFS/DTMLMethod.py, line 145, in __call__ (Object: listeConf) File /opt/zope/Zope-2.1.2/lib/python/DocumentTemplate/DT_String.py, line 502, in __call__ (Object: listeConf) File /opt/zope/Zope-2.1.2/lib/python/DocumentTemplate/DT_In.py, line 691, in renderwob (Object: ['DTML Document']) File /opt/zope/Zope-2.1.2/lib/python/DocumentTemplate/DT_With.py, line 148, in render (Object: conf) File /opt/zope/Zope-2.1.2/lib/python/DocumentTemplate/DT_In.py, line 691, in renderwob (Object: objectValues(_['sequence-item'])) KeyError: (see above) -->