Fatal error: Uncaught Error: Interface "UnzerSDK\Interfaces\DebugHandlerInterface" not found in /var/www/html/dev.hallescherfc.de/packages/cart_unzerpayment/Classes/DebugHandler/UnzerDebugHandler.php:8 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/packages/cart_unzerpayment/Classes/DebugHandler/UnzerDebugHandler.php on line 8