If you are receiving error messages when you attempt to purchase NCoin, there are a few other payment options you can try. You may want to refer to this link for more details:

http://na.aiononline.com/en/store/ncoin/

1. Use a Credit Card
2. Use Paypal®
3. Purchase NCoin Cards from your local GameStop.*
4. Purchase NCoin Cards from Amazon.com.*
5. If none of these options work, please click here to contact Support.

* If purchasing NCoin Cards, you will need to convert the NCoin to Black Cloud Coin.