Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Exception\RuntimeException' not found in C:\xampp\htdocs\plugins\Symfony\Component\Security\Csrf\Exception\TokenNotFoundException.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Component\Security\Csrf\Exception\TokenNotFoundException.php on line 19