Incorrect data entry in the payment window - when trying to make a purchase, especially online or through a mobile app, it's easy to incorrectly enter a digit of a credit card number, expiration date or security code.This can be a simple explanation for a declined transaction.
Card expired - the card has expired.
Over limit - your transaction is over the credit limit balance or debit card balance.
Suspected fraud - suspicious activity that has been noticed by the card issuer. If you use your credit card to make a large purchase, your credit card issuer may flag your transaction as suspicious. Similar to travel, any card activity that is outside of a cardholder's normal spending habits can trigger fraud protection and cause the issuer to freeze your account, leading to card rejection. This can be called the most common mistake of all cards, for example the cardholder has never bought an e-gift card and then you buy a CC and try to buy gifts with it in 95% of cases such debit will be labeled fraud attempt. But this is not a hopeless situation, more about it below.
Security Lock - The company providing the service has locked (or held) your card for the estimated amount of your bill.Some banks or credit unions use a lock by holding back some of the available credit on your credit card. This means you have less available to use until the block is lifted. This can be tracked on debit or credit cards when you see a card with a minus balance it is more than likely a hold.
Region Lock - simply trying to make a transaction in another city can cause problems with the card.In the event of a lock, call your issuer or set travel dates in Enroll with travel functionality to let them know where you will be traveling. This applies to domestic travel as well.
