Fatal error: Uncaught Error: Class "Symfony\Component\Config\Exception\LoaderLoadException" not found in /opt/lampp/htdocs/forum/flarum/vendor/symfony/config/Exception/FileLoaderImportCircularReferenceException.php:19 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/symfony/config/Exception/FileLoaderImportCircularReferenceException.php on line 19