Fatal error: Uncaught Error: Interface "Symfony\Component\PropertyInfo\PropertyListExtractorInterface" not found in /home/marcgron/www/SSA/v2/vendor/symfony/property-info/Extractor/ReflectionExtractor.php:43 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/property-info/Extractor/ReflectionExtractor.php on line 43