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 `wiki_objectcache` (keyname,value,exptime) VALUES ('db427179895-wiki_:messages:fr:lock','˴2\0','20140417123847')
Function: SqlBagOStuff::set
Error: 1142 INSERT command denied to user 'dbo427179895'@'212.227.118.35' for table 'wiki_objectcache' (db427179895.db.1and1.com)