Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /var/www/html/API_Forum/vendor/api-platform/symfony/Bundle/DependencyInjection/ApiPlatformExtension.php:72 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/api-platform/symfony/Bundle/DependencyInjection/ApiPlatformExtension.php on line 72