Paya: 000015 No Such Issuer

What This Means

The card number for payment method is invalid: Visa, Mastercard, and Discover cards are 16 digits while AMEX is 15 digits

Suggested Next Steps

Suggested action from Paya: Please have the Cardholder call their issuing bank. They should be able to find the number on the back of the card.
Contact the customer to have them add a new payment method and add it to their Scheduled Order.
Once a new payment method is added to the Scheduled Order, the Scheduled Order should be processed with the new payment method.

Adding A New Payment Method for Your Customer?

If you are adding a new payment method for your customer directly to your payment gateway (manually), ensure that you edit the failed Scheduled Order, add a new payment method, and copy the required billing information directly to their Scheduled Order including:

Gateway CustomerId
Billing Address
Payment Method Description (optional, but strongly suggested because it is used to display the payment method to your customer)

After Resolving The Issue

Once this issue is resolved, you should use the action to Restart Processing the Failed Scheduled Order.