To use this module you need to:
- Go to a Product > General Information tab.
- Create any record in "Secondary unit of measure".
- Set the conversion factor.
- Set a product with a buy rule + mto rule
- Set vendors on product
- Go to Sales > orders and create a sale order with this product and any second unit.
- Confirm the sale order.
- Go to purchaser order created and you will see the second unit in purchase order line.