Fatal error: Uncaught Error: Class "Symfony\Component\Security\Http\Firewall\AbstractListener" not found in /home/zdpktgd/ptc/vendor.old/symfony/security-http/Firewall/AccessListener.php:31 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/security-http/Firewall/AccessListener.php on line 31