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