Fatal error: Uncaught Error: Class "Symfony\Component\Security\Http\Firewall\AbstractListener" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Firewall\SwitchUserListener.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-http\Firewall\SwitchUserListener.php on line 40