It's seriously like they don't want money...

Trying to order my heavensward digital download.

Whenever I try to checkout it says they are authenticating me then I get this message

We are unable to process your request at this time. The customer support has already been informed about this situation and will get in touch with you if necessary. (Error ID: 5002)

I've contacted support and they couldn't do anything, they told me to buy it somewhere else, I asked where I could do that they said they don't know..........