Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface" not found in /home/standardtelephon/public_html/apps/vendor/symfony/http-foundation/Exception/SessionNotFoundException.php:21 Stack trace: #0 {main} thrown in /home/standardtelephon/public_html/apps/vendor/symfony/http-foundation/Exception/SessionNotFoundException.php on line 21