Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Exception\RuntimeException" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Exception\LogoutException.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-core\Exception\LogoutException.php on line 19