Hi, i'm italian and i have a problem to buy some points.

Today i wanted to buy $29.50 points (30€ euros) but:

There was an error processing your request. Please try again.[CHK-8001]

Now, my credit card is not confirm (I still have to put the 4 numbers that are shown on my statement) and first i thought this is the problem, but i can to pay to italy and europe without confirm my credit card.

I put an image of my payment:

http://i54.tinypic.com/2mgp3fb.jpg

Help me to resolve this problem please