Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /home/corporate/www/script/common/Database.class.php:89 Stack trace: #0 /home/corporate/www/script/common/Database.class.php(89): PDO->exec() #1 /home/corporate/www/script/index.php(465): Database::exec() #2 /home/corporate/www/script/index.php(452): cleanVisotorsTable() #3 /home/corporate/www/script/index.php(291): visitorIdentification() #4 /home/corporate/www/index.php(18): require_once('...') #5 {main} thrown in /home/corporate/www/script/common/Database.class.php on line 89