Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Exception\RuntimeException" not found in /var/www/apache/dev/cal/web/vendor/symfony/security/Csrf/Exception/TokenNotFoundException.php:19 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/security/Csrf/Exception/TokenNotFoundException.php on line 19