You may need to email us, from what I can see your order appears to be cancelled. It's possible your card needs to be setup for internation payments with your bank, if that's the case you can give them these details -

Site: Gamesplanet.com
Merchant: Metaboli, France
Clearing through: Wirecard Bank, Germany

Alternatively it may you're trying to use a Paypal method that we don't support, are you using a card via Paypal or another way?