How to use Klarna Payment?
IMPORTANT! IF YOU DO NOT USE KLARNA PAYMENT EXTENSION BUT YOU UPLOAD THE GOMAGE_KLARNAPAYMENT.XML FILE ON YOUR SERVER, YOU WILL GET ERRORS ON YOUR WEBSITE. The specified file must be deleted from the server in this case.
In order to use the Klarna Payment Extension with the GoMage LightCheckout extension you need to upload GoMage_KlarnaPayment.xml to the /app/etc/modules/ directory of your Magento software using an FTP client.
Screenshot: Uploading the GoMage_KlarnaPayment.xml file