When you set up a new resource on a resource card, there are fields that must always be filled in, fields that can be filled in as needed, and fields in which you cannot enter anything.
Open the Resource Card window.
Fill in the fields on the card. The following fields are mandatory:
No.
Type
Price/Profit Calculation
For Help about a specific field, click the field and press F1.
Viewing Resource Ledger Entries
Assigning Units of Measure to Resources