When an order has products coming from vendor availability, and the product has not been shipped, users can downgrade the product. For doing that, please follow these steps:
Go to Grower > Confirm POs
Use filters to Search for the purchase order needed. The purchase order status must be confirmed.
Once the PO has been found, go to the "Actions" column and select the option "Substitute Item"
The edit Item tab will appear. Click on Downgrade Product. Notice that in this example, we are going to downgrade the product Roses Assorted 70x10 bunch to Roses Assorted 50.