Frankly you shouldn't be trying to fix your 3.3 (who knows what else is wrong) but instead reinstall your 3.0.12 (on personal webserver - use USBWEBSERVER v 8.6.1), clean the database with the STK and then take a database backup, imort that into your live board database and start the upgrade anew.
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It is often not enough to remove non-standard tables. Some modifications create fields within standard tables. I think this is what is happening. The STK will work with the proper php version. You could also back up a freshly installed database and your 3.0.12 database and diff the backups.
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stevemaury wrote: ↑Fri Jun 18, 2021 1:36 pm
It is often not enough to remove non-standard tables. Some modifications create fields within standard tables. I think this is what is happening. The STK will work with the proper php version. You could also back up a freshly installed database and your 3.0.12 database and diff the backups.
Thanks for your help Steve!
If I understand you correctly, I would export the structure of both a fresh install and my install then just diff the two structures to see where mine has additional columns?