List of ErrorsThe payment failed because the card or account number provided is invalid. This can occur due to typographical errors, incorrect card format, outdated saved card details, or a card that has been deactivated or replaced by the issuer.

Root Cause

• Incorrect card number entry: The card or account number entered by the customer is mistyped or incomplete.
• Invalid card format: The card number does not conform to standard formats (e.g., missing digits, invalid Luhn check).
• Outdated stored card details: The payment attempt was made using an expired or invalid saved card.
• Card no longer active: The card has been deactivated or replaced by the issuer.

Troubleshooting and Solutions

• Inform the customer that their transaction failed due to an invalid card number.
• Ask the customer to carefully review and re-enter their card or account number.
• Ask the customer to try a different card or payment method if the issue persists.
• Ensure that saved card data is up to date and formatted correctly.