Our fulfillment center uses "FedEx Cross Border" a.k.a. "TrakPak" for
our international shipments. This is apparently not supported by
Shipstation. Here's an example of one of our shipments:
We use the "export line items" function to send shipment data to a 3PL
fulfillment center, and they reject our files if the discounts, which
have blank SKUs, appear as line items. We will work around it but it
would be great if discounts were not inc...