UPS is unavailable because your shipment exceeds the maximum number of boxes that the Amazon partnered carrier can accept

Has anyone else recently experienced this error?

[Carrier: UPS ] UPS is unavailable because your shipment exceeds the maximum number of boxes that the Amazon partnered carrier can accept

We had a large outbound shipping plan, which was split into 10 Amazon-partnered LTL shipments (over 1000 boxes in total, on 42 pallets). We hit a roadblock when attempting to proceed from Send to Amazon (STA) Step 4 and “Confirm carrier and pallet information” to get to Step 5 to print the pallet labels. This is when the error occurred. Simultaneously, one of the 10 shipments generated a BOL, in addition to a Pro Number provided by the Amazon-partnered carrier. However, we still cannot access the pallet labels for any of these shipments. We opened a case (you all know how fruitless this has become) and explained the urgency, as the carrier was dispatched for pick-up. The status of this 1 of the 10 shipments was erroneously updated to “in-transit” as the pallets remained in our warehouse. Seller Support “ensured us that this matter was forwarded to the ‘internal team'” and requested that we patiently await their response. Of course, this is now day four of this fiasco, and we had to turn the carrier away when they attempted the pick-up.

Of course, we did not use UPS, as these shipments were all LTL.

We didn’t exceed box limits on any of these shipments that Amazon designated.

We still have no way of getting to Step 5 to print the pallet labels.

Seller Support recommended that we simply create a new workflow, which would increase labor costs significantly. More importantly, this option does not ensure that we would not have the same issue on the new workflow. Obviously, this is one of countless glitches within STA. Amazon refuses to accept any responsibilities for any flaws in the STA workflow (nothing new there).

It just so happens that Prime Day(s) are in full swing. Anyone else feel like Seller Central throttles all inbound whenever they have a big event? What recourse do we have, other than wait them out?

I cannot find any solutions other than “delete and start over” (unplug it and plug it back in), which is simply not feasible with such a large shipment.

SERENITY NOW!