Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Firewall\FirewallListenerInterface" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Firewall\AbstractListener.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Firewall\AbstractListener.php on line 21