Fatal error: Uncaught Error: Interface "In2code\Femanager\DataProcessor\DataProcessorInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/in2code/femanager/Classes/DataProcessor/AbstractDataProcessor.php:14 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/in2code/femanager/Classes/DataProcessor/AbstractDataProcessor.php on line 14