Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Response" not found in /opt/lampp/htdocs/forum/flarum/vendor/symfony/http-foundation/StreamedResponse.php:27 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/symfony/http-foundation/StreamedResponse.php on line 27