[wp-testers] [Fwd: Database errors after initial upgrade]

[Ryan Boren]

> I had similar errors after the upgrade to 2.3b1 after 2.2.2, but
> attributed to having tried an alpha of 2.3 a couple of months back and
> still having residue from that in my database. Would be interesting to
> know if others who are having this problem had also done an alpha of 2.3
> and then downgraded back to a less than 2.3 version and then recently
> did the 2.3 beta upgrades.

Indeed. If you have old tables made by earlier versions of 2.3 laying
around, they will interfere with the upgrade.  Before upgrading from
2.2.x, make sure your database does not have terms, term_taxonomy, or
term_relationships tables.