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: REPLACE INTO `mw_objectcache` (keyname,value,exptime) VALUES ('69920_2-mw_:messages:de:lock','˴2\0','20140420205601')
Function: SqlBagOStuff::set
Error: 1142 INSERT command denied to user '69920_2.usr1'@'192.168.43.39' for table 'mw_objectcache' (localhost)