Root Cause

• Payment method removed or deleted: The payment method was removed from the customer’s account or the payment gateway.
• Incorrect payment details: The payment method information provided is incomplete or contains errors.
• Gateway synchronization issue: The payment method was not properly synced between the merchant system and the payment gateway.

Troubleshooting and Solutions

Ask the customer to -

• Verify that the correct payment details have been provided.
• Ensure the payment method is still active and available in the system.
• Retry the transaction after confirming or updating the payment method details.
• Use a different payment method if the current one cannot be found or recovered.

Contact the payment processor if the issue persists despite correct information.