Vendor already exists on the items and we are looking to change the vendor to the default (already marked default on a different vendor) using an import scenario. Searched and tried several different options. Was getting the purchasing unit error, added that and then getting a duplication error. Tried a manual scenario and still no luck. Hoping someone has a GI written for this same scenario. Thank you!
Changing default vendors on a stock item using an import scenario 2025R2
Best answer by Naveen Boga
The Purchasing UOM needs to be included when updating the vendor, and the duplication error may indicate that the import is attempting to insert a new vendor record instead of updating the existing one.
I would first verify that the import scenario is using the correct Inventory ID + Vendor ID as the key fields and that the Default flag is being updated on the existing vendor record.
If you can share the Import Scenario mapping and the exact duplication error, I can take a closer look and suggest the correct mapping.
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