If you have an order that shows as unfulfilled, first make sure you have completed a test order. If you have completed a test order, you may just need to press the request fulfillment button, then a second button send fulfillment request will pop up that you also have to press.
1. Here's an order that shows unfulfilled
2. Click "Request fulfillment"
3. Click "Send fulfillment request"
4. Click "Cancel request"
