Summary: A FedEx international shipment fails when the packaging is a FedEx One Rate Flat Rate PAK. FedEx One Rate is a US domestic-only program, so switch the packaging to Custom Packaging for international shipments.

Problem

You process a FedEx international shipment with a FedEx One Rate Flat Rate PAK selected under Advanced Options for packaging, and it returns an error. Once you remove the Flat Rate PAK, it proceeds (though a separate ship-to address error may then need fixing).

Cause

FedEx One Rate, which uses flat-rate packaging like the Flat Rate PAK, is a US domestic-only program. Choosing a One Rate Flat Rate PAK on an international shipment is not valid, so FedEx rejects it. Any error left after you switch packaging usually points to the ship-to address.

Fix

  1. Open the shipment's Advanced Options and find the packaging selection.
  2. Change the packaging from the FedEx One Rate Flat Rate PAK to Custom Packaging.
  3. Reprocess the shipment.
  4. If an address error then appears, check the exact international ship-to address and correct it.

What you should see

The international shipment rates and prints a label once you use Custom Packaging and the ship-to address is valid.

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