[Zope] How can work with versions and python scripts?

When I use python scripts and versions I get this error Error Type: VersionLockError Error Value: ("'\\000\\000\\000\\000\\000\\002<_'", '/tenders/cft06062001') How can I do for getting version and python scripts work together? Do I need to rewrite the entire scripts into DTML-code? Thank you Antonio De Marinis __________________ Antonio De Marinis IT-Consultant CMG Danmark A/S +45 33 36 72 36 demarinis@europe.com ____________________