Fatal error: Uncaught Error: Interface "Symfony\Component\PropertyInfo\PropertyInfoExtractorInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/symfony/property-info/PropertyInfoCacheExtractor.php:25 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/symfony/property-info/PropertyInfoCacheExtractor.php on line 25