[ZODB-Dev] "Versions aren't supported" message in Plone 4 upgrade

[Mike Hammill]

Jim,



On 09/09/2010 04:03 PM, Jim Fulton wrote:
[...]
>> <http://pastie.org/1146604>.  #plone folks suggested I ask here.
> 
> That's annoying. :)

Yes, but thanks for being willing to help here!

[...]
> Your database contains versions. Versions haven't been supported in Zope
> (and thus Plone) in years as far as I know. ZODB 3.9 no-longer supports
> versions. You can't use a database containing versions with ZODB 3.9
> (and presumably Plone 4).
> 
> Have you tried packing your database?

I tried what you suggested, and that was helpful in reducing the size.
Unfortunately, I got the same error when trying to upgrade a packed
3.3.5 Data.fs to 4.0.0.

Regards,
/Mike