PDOException: SQLSTATE[42000]: Syntax error or access violation: 1142 DELETE command denied to user 'festival2013'@'localhost' for table 'semaphore': DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 2219732867ee993cc8ab62.42679549 ) in lock_release_all() (line 269 of /var/quarantena-freenas/2013.festivaldeuropa.eu/includes/lock.inc).