Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Event\AuthenticationEvent" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Event\AuthenticationSuccessEvent.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Event\AuthenticationSuccessEvent.php on line 14