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I want to upgrade my q&a but get this error:

10 upgrade step/s remaining... 

Running query: ALTER TABLE qa_posts ADD KEY lastuserid (lastuserid, updated, type) ... 



Question2Answer was unable to perform the installation query below. Please check the user in the config file has CREATE and ALTER permissions:

ALTER TABLE qa_posts ADD KEY lastuserid (lastuserid, updated, type)

Error 1061: Duplicate key name 'lastuserid'

The database user has the permissions ALTER und CREATE.

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"Drop" all your Q2A tables in this database and then retry. if it was not fixed it might actually be a permission error. in your "hosting panel" go to "MySQL database" then add a new user, add the user to your database and check all ticks in permissions list, then update "qa-config.php" file.

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I don't know how this happened, but for some reason you already had a key that you shouldn't have, given the version of the Q2A database schema. Anyway you can comment out this line in qa-db-install.php then try again:

qa_db_upgrade_query('ALTER TABLE ^posts ADD KEY lastuserid (lastuserid, updated, type)');

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