A little help upgrading to VB3 from a hacked VB2?

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Shoot. I had a database error on step 19 (custom fields step) so I skipped it figuring it might not be a huge problem. Apparently VB3 doesn't like something about my user fields:

Database error in vBulletin 3.0.1:

Invalid SQL: SELECT profilefieldid,type,data,optional FROM profilefield
mysql error: Unknown column 'data' in 'field list'

mysql error number: 1054

Is this going to be hard to fix?

Ok then when I try to log in I get this:

Database error in vBulletin 3.0.1:

Invalid SQL:
SELECT profilefieldid, required, title, type, data, def, height
FROM profilefield
WHERE form = 0
ORDER BY displayorder

mysql error: Unknown column 'data' in 'field list'

mysql error number: 1054


Please help if you can anyone. Thanks.