Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'gesinnova.semaphore' doesn't exist: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 6180485955b2961e13bd324.14732682 ) in lock_release_all() (line 269 of /home/webs/innova2013/web/includes/lock.inc).