We have the same issue with Amazon orders. We don't sell on eBay. Etsy
and Shopify work but all shipping fees are $0 for Amazon orders.
Shipstation has been horrible this year. The new UI is terrible and
there are way too many glitches.
I have the same issue. Orders stopped syncing since yesterday. The error
I got is "An error occurred attempting to update orders: The remote
server returned an error: (403) Forbidden" When trying to reset the
marketplace connection, I'm getting this ...