Our gateway in the payment flow receives an ID as a reference when Shopify requests the external payment form to be displayed, this same ID is the one that is sent once the payment has been processed in the Payment Session Resolve method.
We have 2 applications that do exactly the same, only the payment process changes internally from the gateway, but they receive the ID of the reference and pass it in the Payment Session Resolve method, but the Apuntamelo application is throwing an error when we send this (we checked the format and it is exactly the same in the 2 app’s), but Apuntamelo is returning the attached error: