Database error

A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: http://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: DELETE FROM `mediawiki_msg_resource`
Function: MessageBlobStore::clear
Error: 1146 Table 'mediawiki.mediawiki_msg_resource' doesn't exist (localhost:/var/lib/mysql.5/mysql.sock)