On Fri, Jun 3, 2011 at 12:42, Peter Bengtsson <mail at peterbe.com> wrote: > I'm getting the error below when trying to boot up a zope 2.13.7 using > a Data.fs I took from a zope 2.8.12 instance. You may want to try to boot up the instance on intermediary Zope versions first, it may well update the pickles for you along the way. -- Martijn Pieters