This error occurs when UPS cannot generate a label because one or more products are missing a valid country of origin.
Error message
"Invalid or missing product origin country code for product number 1"
What this means
UPS requires a valid country of origin for all items in an international shipment. The product is either missing this information or has an invalid value.
How to fix it
Open the product in the merchant catalog.
Add a valid country of origin using a 2-letter ISO country code (for example,
GBfor United Kingdom orUSfor United States).Save the product changes.
Regenerate the label.
If the issue continues
Contact support with the RMA ID, the affected product name, and a screenshot of the error.