Fatal error: Uncaught Error: Class "MUTHSEV\Shop\Service\AbstractProductService" not found in /var/www/html/dev.hallescherfc.de/packages/muthsevshop/Classes/Service/BeVariantService.php:11 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/packages/muthsevshop/Classes/Service/BeVariantService.php on line 11