Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /var/www/html/API_Forum/vendor/symfony/twig-bundle/DependencyInjection/TwigExtension.php:39 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/twig-bundle/DependencyInjection/TwigExtension.php on line 39