Fatal error: Uncaught Error: Class 'OxidEsales\Eshop\Core\Controller\BaseController' not found in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Controller/BaseCallbackController.php:12 Stack trace: #0 {main} thrown in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Controller/BaseCallbackController.php on line 12