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: SELECT lc_value FROM `wiki_l10n_cache` WHERE lc_lang = 'ru' AND lc_key = 'deps' LIMIT 1
Function: LCStore_DB::get
Error: 1016 Can't open file: './mcwiki/wiki_l10n_cache.frm' (errno: 24) (localhost)