Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1451 Cannot delete or update a parent row: a foreign key constraint fails (`lcjczod468`.`livraisons`, CONSTRAINT `livraisons_ibfk_1` FOREIGN KEY (`chauffeur_id`) REFERENCES `chauffeurs` (`id`)) in /home/lcjczod/app-transport/admin_chauffeurs.php:30 Stack trace: #0 /home/lcjczod/app-transport/admin_chauffeurs.php(30): PDOStatement->execute(Array) #1 {main} thrown in /home/lcjczod/app-transport/admin_chauffeurs.php on line 30