The damn microsoft store is doing its stupid random error messages again. Has anyone sucessfully ordered one?

It was quite happy to sell me a voucher code for one, but when I put that in to order the controller it still wants a payment method for the $0, and has rejected any that I have tried so far with:

We’re having trouble processing your order. Please call us at 1-877-696-7786 so we can help you.
Error code: 30225

Before I do that, has anyone done so and had a sucessful resolution to it? Its going to shipito, which I have ordered stuff from MS to earlier without problems