I've received a statement for my Klarna order, but I've not yet received my goods

If you have not received your goods, please call Argos customer services to check on your order and delivery status. You can also contact Klarna's Customer Service so that they can postpone the due date on your payment or put the order on hold in the Klarna app while you wait for the goods to arrive.

You can find out more about Klarna here