Fatal error: Uncaught Error: Class 'OxidEsales\Eshop\Application\Controller\Admin\ShopConfiguration' not found in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Core/KlarnaInstaller.php:31 Stack trace: #0 {main} thrown in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Core/KlarnaInstaller.php on line 31