When processing an order, you might come across the "Hard 9120220 - Invalid or missing declared value type for package 1" error.
This error relates to a mistake in the order information.
Feel free to follow the step-by-step guide written below or the video guide, as you prefer:
To solve this issue you will have to:
1. Find the order through any of the possible ways (after Import Orders, Batches, Order History, etc) as it applies to the case
2. Click the edit button of the order you wish to change
3. Select the Carrier Options tab
4. Choose EVS or DVS as it applies in the Shipment Indication dropdown
5. Press Save to apply the changes