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Showing results for tags 'upgrade'.
In order to upgrade my wiki, I downloaded the latest version of MediaWiki, extracted it, and entered the DB information correctly. I clicked the Next button because a DB migration was required, and I received the following error. An error occurred: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading? Query: SELECT rev_id,rev_user,rev_user_text,CASE WHEN rev_user = 0 OR rev_user IS NULL THEN (SELECT actor_id FROM `mw_actor` WHERE (rev_user_text = actor_name) ) ELSE (SELECT actor_id FROM `mw_actor` WHERE (rev