Hi all, with this little code : <dtml-in "showNSDetails(nsref=old_nsref)" start=query_start> <dtml-call "REQUEST.set('sdate','%s.%s.%s' % (ns_entrydate[8:],ns_entrydate[5:7],ns_entrydate[:4]))"> <input type="text" name="new_nsentrydate" value="<dtml-var sdate>" size="10"> </dtml-in> ns_entrydate is a field of my query. i get an getslice error: Zope Error Zope has encountered an error while publishing this resource. Error Type: AttributeError Error Value: __getslice__ Traceback (innermost last): File D:\PROGRA~1\INTRAN~1\lib\python\ZPublisher\Publish.py, line 214, in publish_module File D:\PROGRA~1\INTRAN~1\lib\python\ZPublisher\Publish.py, line 179, in publish File D:\PROGRA~1\INTRAN~1\lib\python\Zope\__init__.py, line 202, in zpublisher_exception_hook (Object: ElementWithAttributes) File D:\PROGRA~1\INTRAN~1\lib\python\ZPublisher\Publish.py, line 165, in publish File D:\PROGRA~1\INTRAN~1\lib\python\ZPublisher\mapply.py, line 160, in mapply (Object: editNoteServiceForm_html) File D:\PROGRA~1\INTRAN~1\lib\python\ZPublisher\Publish.py, line 102, in call_object (Object: editNoteServiceForm_html) File D:\PROGRA~1\INTRAN~1\lib\python\OFS\DTMLMethod.py, line 150, in __call__ (Object: editNoteServiceForm_html) File D:\PROGRA~1\INTRAN~1\lib\python\DocumentTemplate\DT_String.py, line 502, in __call__ (Object: editNoteServiceForm_html) File D:\PROGRA~1\INTRAN~1\lib\python\DocumentTemplate\DT_In.py, line 611, in renderwb (Object: showNSDetails(nsref=old_nsref)) File D:\PROGRA~1\INTRAN~1\lib\python\DocumentTemplate\DT_Util.py, line 335, in eval (Object: REQUEST.set('sdate','%s.%s.%s' % (ns_entrydate[8:],ns_entrydate[5:7],ns_entrydate[:4]))) (Info: REQUEST) File <string>, line 0, in ? File D:\PROGRA~1\INTRAN~1\lib\python\DocumentTemplate\DT_Util.py, line 174, in careful_getslice File D:\PROGRA~1\INTRAN~1\lib\python\DateTime\DateTime.py, line 922, in __getattr__ AttributeError: (see above) what's wrong? Do you know where i can found information about zope erorrs, i want to know what means all these errors that we get? Thanks for your help! $Regards MM