There are several reasons why your card was declined such as:
You have entered a wrong expiration or CVV2 value. Find the right CVV2 value as the last 3 digits on the back of your card
The address you entered is not the exact address where your credit card is registered
Please contact your bank or financial institution in order to find out why your card may have been declined.
Alternatively, you can use another card or payment method and try again.
If you are still experiencing problems then please create a ticket and we will do our utmost to help you.