Fatal error: Uncaught Error: Interface "TYPO3\CMS\Form\Domain\Runtime\FormRuntime\Lifecycle\AfterFormStateInitializedInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-form/Classes/Mvc/Property/PropertyMappingConfiguration.php:37 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-form/Classes/Mvc/Property/PropertyMappingConfiguration.php on line 37