Fatal error: Uncaught Error: Class "Klarna\Rest\Resource" not found in C:\AppServ\www\greenhess-storage\vendor\klarna\kco_rest\src\Klarna\Rest\Checkout\Order.php:35 Stack trace: #0 {main} thrown in C:\AppServ\www\greenhess-storage\vendor\klarna\kco_rest\src\Klarna\Rest\Checkout\Order.php on line 35