Fatal error: Uncaught Error: Interface "Symfony\Component\Translation\Extractor\ExtractorInterface" not found in /users/ms-it/www/oc/lib/composer/symfony/translation/Extractor/ChainExtractor.php:21 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/translation/Extractor/ChainExtractor.php on line 21