Please make sure you personal details such as full name, address, phone number, and email are entered exactly the same as your bank or credit card issuer has on file.
For Example: You enter your billing address as "123 Main Ave." but your credit card company has "123 Main Avenue" on file. Or you have recently changed your phone number or email without notifying your bank or credit card company, ETC.
Tip: Still can't make a payment? Try using another credit card. This has worked for some customers.