To understand why an individual transaction has failed, follow these steps:

1. Go to the Orders section.
2. Locate the specific order.
3. Click on the order number to view its details.
4. Under the payment section, you'll find a note explaining the reason for the failure.

Here are some common reasons why a customer's transaction may fail:

• Incorrect CVV/CVC Number: The CVV/CVC code entered must match the one on the card for the transaction to be processed successfully.
• AVS Failure: AVS stands for Address Verification System. If this is the cause of the failure, it means the billing address postal code entered by the customer does not match the one associated with their card. This is a security measure to reduce fraud and is required for "card-not-present" transactions (i.e., online purchases).
• Card Declined: The customer's card may be declined due to insufficient funds. In such cases, the customer will need to contact their bank for assistance.
• Suspected Fraud: If the transaction is flagged for potential fraud, the cardholder will need to contact their bank to verify recent activity and resolve the issue.