After talking to Saferpay we know that Wallee is trying to connect us with Saferpay with a "Saferpay Business" access, but we do have a "Saferpay eCommerce"account. Therefore the CC Payment is not working. Please check and change. Thank you
The problem is that if you create the processors with the wizzard we install the Payment Method and Connector to be used with the Business License. If you want to change this you will have to delete the configuration of the Payment Method and the Connector and configure them as Offsite Payment method with the Standard Saferpay contract.