Thanks, I figured it out, I was using UK instead of GB for COO, what's really frustrating though is the error didn't help at all. I didn't realize our data uses UK in our ERP and it wasn't until I checked the ENUM values on Shopify's CountryCode list...

Hi, i literally JUST started getting a 422 Unprocessable Entity for code that hasn't changed in our production environment when attempting to update county_of_origin_code: Example:PUT https://ourstore.myshopify.com/admin/api/2024-07/inventory_items/4...