Assuming akeeba is required, the following 2 results were found.
BY `group_id` DESC; UPDATE `#_user_usergroup_map` SET `group_id`=2 WHERE `user_id`111 AND `user_id`222 AND `user_id`333; Akeeba Backup Install: Warning JInstaller: :Install: Error SQL Table 'newdb.#_akeebabackup_profiles' doesn't exist Extension...
things but in the case of one of my clients, the error was due to an update process gone wrong. Not really the fault of Akeeba, Joomla or anyone, it's just one of those things. Check the sizes of the PHP files on your site and hope that they're not at 0...