Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\FileLoader" not found in /var/www/html/dev.hallescherfc.de/vendor/helmich/typo3-typoscript-lint/src/Linter/Configuration/YamlConfigurationLoader.php:21 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/helmich/typo3-typoscript-lint/src/Linter/Configuration/YamlConfigurationLoader.php on line 21