Fatal error: Uncaught Error: Class "Symfony\Component\Runtime\SymfonyRuntime" not found in /var/www/html/API_Forum/vendor/symfony/runtime/Internal/HttpFoundation/ResponseRuntime.php:19 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/runtime/Internal/HttpFoundation/ResponseRuntime.php on line 19