Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Extractor\AbstractFileExtractor' not found in /home/app/htdocs/message_gateway/vendor/symfony/translation/Extractor/PhpExtractor.php:22 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/translation/Extractor/PhpExtractor.php on line 22