I have installed this add-on.
Everything works excellent, but when it in 'sandbox' mode and customer clicks on 'Place Order' button at payments.amazon.com page, system redirects it back to my site, shows the Order ID and shows the Order ID and sends me email with new order details, BUT this order does not add to 'Orders' section at sellercentral.amazon.com
Could you please tell me if this is OK in 'sandbox mode' or not?
Thank you.