Fatal error: Uncaught Error: Interface 'Helhum\ConfigLoader\Reader\ConfigReaderInterface' not found in /var/www/typo3/vendor/helhum/config-loader/src/Reader/YamlFileReader.php:21 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/helhum/config-loader/src/Reader/YamlFileReader.php on line 21