A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT keyname,exptime FROM `objectcache` WHERE (exptime < '20180221223542') ORDER BY exptime LIMIT 100
Function: SqlBagOStuff::deleteObjectsExpiringBefore
Error: 144 Table './133099@002dbasin/objectcache' is marked as crashed and last (automatic?) repair failed (basin-133099.mysql.binero.se)