I'm not an expert at these kind of things but 3 tips:
* Don't bother with trying to run off the old Data.fs until you get
your product working in the new Zope.
* Inspect your code and what kind of objects (and most likely more
importantly) and attributes you're attaching to classes that are
Mark Hellewell wrote at 2008-3-19 15:57 +1100:
I'm in the middle of trying to upgrade a Product written for Zope 2.7
so that it runs on Zope 2.10!
The product appears in the newer ZMI's list of available products but
whenever I try to add an object of the products type through the ZMI I
get
Hello,
I'm in the middle of trying to upgrade a Product written for Zope 2.7
so that it runs on Zope 2.10!
The product appears in the newer ZMI's list of available products but
whenever I try to add an object of the products type through the ZMI I
get the following error in the event.log