PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 1381619301675e475d392685.22789970 ) in lock_release_all() (line 269 of /var/www/virtual/newjoker/httpdocs/includes/lock.inc).