Can't order realm

Put the summary of the bug you're having here

*What I expected to happen was to buy a 1 month minecraft realm.

*What actually happened was an error popped up after putting in info.

Steps to Reproduce:
1. I went to the buy thing on minecraft realm.
2. Selected 1 month for $13 and entered the card #s.
3. After I put in everything and clicked Buy it took me were an error came up. That was the only thing on the page.