Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[42000]: Syntax error or access violation: 1142 DELETE command denied to user 'Sql1146436'@'89.46.106.196' for table 'semaphore': DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 17154906885f9554a8dd0ee0.70814199 ) in lock_release_all() (line 269 of /web/htdocs/www.matildecashmere.com/home/includes/lock.inc).