List of ErrorsThe card number is invalid. This can happen when the customer enters an incorrect, incomplete, or improperly formatted card number, uses an unsupported card type, or submits a test or placeholder number.
gateway.payment_method.card_invalid_number
Recommended Customer Message
Your transaction could not be completed because the card number you entered is invalid. Please re-verify the card number and try again. If the issue persists, consider using a different payment method or contact your bank for assistance.Root Cause
- Incorrect card number: The customer mistyped or entered an incomplete card number.
- Invalid card format: The provided number does not meet the required format or fails validation checks such as the Luhn algorithm.
- Unsupported card type: The entered card number belongs to a card type not supported by the payment gateway.
- Test or placeholder number: A dummy or test card number was mistakenly used in a live transaction environment.
Troubleshooting and Solutions
- Ask the customer to carefully re-verify and enter the correct card number.
- Ensure the card number matches the expected format and length for the card type being used.
- Recommend using a different payment card if the issue persists.
- Suggest contacting the bank if the customer continues to experience difficulties with the valid card number.
- Implement real-time validation on the payment form to help prevent incorrect or invalid card number submissions.