Fatal error: Uncaught Error: Class 'OxidEsales\Eshop\Core\Model\BaseModel' not found in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Core/KlarnaPayment.php:35 Stack trace: #0 {main} thrown in /www/shop/vendor/fatchip-gmbh/oxid-klarna-6/Core/KlarnaPayment.php on line 35