There are a few possibilities:
– Make sure you are not using a proxy internet connection. A direct connection to internet is required for security purposes
– Our payment gateway opens in a new browser window. Make sure that pop up blocking software/features are turned off
– Make sure the input details are correct
– Make sure the card expiration date does not precede the reservation date
– Make sure you have not reached your credit limit
– If you get an error apart from the reasons above, please contact our online agent