So i got Shootmania Storm beta.

Hello,

You have signed up for ShootMania Storm Beta at www.shootmania.com. If it is not the case, please ignore this email.

After a successful Alpha test, we are glad to launch a first Beta test for ShootMania Storm. You have been selected for this first group of beta test.

Please read carefully the following to install and run ShootMania Storm:

Go to www.maniaplanet.com/redirect/shootmania-storm-beta
Click on “Download”
Enter this promotional code: XXXXXXXXXX (this code is not your Beta Key)
Enter your email address
You will receive an email with the download link of the setup and your Beta Key. Install the game on your hard disk and create an account with your beta key.
IMPORTANT: You must activate your Beta Key before the 31st of July. Once your Beta key is activated, your access to the game will last for 7 days. An email will be sent to you explaining how to keep playing ShootMania Storm after the end of your 7 days...

VERY IMPORTANT: For troubleshooting and bug report, please use ManiaPlanet Forum: http://forum.maniaplanet.com/viewforum.php?f=415

EXTREMELY IMPORTANT : Good Luck and have fun!
See you online,
The Nadeo Live Team

So i made everything as in instructions but then i get Payment Refused error: You might not have entered your payment details correctly, or you might have been blocked by our security system.
If you are sure you have typed the right information, please consult our FAQ or contact our customer support.

What to do?