Your payment was canceled. Please go back to your registration page and attempt to make your payment again. Make sure that your credit card information is accurate such as your name as it appears correctly on your credit card, mailing address for your credit card, credit card number, credit card expiration date and the 3 digit CVV number on the back of your credit card

The CVV Number (“Card Verification Value”) on your credit card or debit card is a 3 digit number on VISA®, MasterCard® and Discover® branded credit and debit cards. On your American Express® branded credit or debit card it is a 4 digit numeric code. …

You should never enter your PIN number when asked to provide your CVV.