Error "Please Enter Value on Serial/Lot Number" When Billing a Sales Order

Scenario

The user gets the error saying: Please enter value(s):for Serial/Lot Number when billing the Sales Order.

Solution

Add a Location on the Sales Order under the Classification portion and on the line item. 

And after doing that, the user should now be able to successfully bill the Sales Order.

If there's already Location set on the Sales Order and user is still getting the error message, follow the steps below:

This can also happen when the Invoice Form used has Sublist Field of Inventory Detail marked True but Location is False. Inventory Detail gets its information from the Location in the Item Line. To solve this follow these steps:

1. Navigate to the Sales Order > Bill

2. Click Customize > Customize Form

3. Go to Sublist Fields 

4. Mark Location to True

5. Click Save

6. Proceed in Billing the Sales Order