MyBB Community Forums

It gives me this error when i try to upgrade my v1.6.14 mybb forum to latest v1.8.03.

I tried to redo all over the steps but still fail.

[attachment=33438]

Need help.

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It seem like it want to delete a column in "mybb_users" named "threadnum", but this column doesn't exits.
Even i check back old backup database, also dont have such column,
so should i manually add this "threadnum" column in database for it to DROP?

run below SQL query (see SQL Queries guidance if required) and then try upgrading

ALTER TABLE `mybb_users` ADD `threadnum` INT NOT NULL DEFAULT '0';

I add in the threadnum, but when redo the upgrade, it still gives me the same error,
not sure why.

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Or is it bcos it take too long time so php time out and said fail to delete?
Since there are many users in my forum

^ you can PM me temporary access to forum admin panel & web host control panel to check it
(you can give your own credentials & change them later)