Fatal error: Uncaught Error: Class "Symfony\Component\PropertyAccess\PropertyPathIterator" not found in /home/zdpktgd/ptc/vendor/symfony/form/Extension/Validator/ViolationMapper/ViolationPathIterator.php:19 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor/symfony/form/Extension/Validator/ViolationMapper/ViolationPathIterator.php on line 19