For subcontract pricing, you can only use specific subcontract category groups. The required setup for these category groups is:
The Subcontract check box is selected.
The Transaction type is Expense.
For more information, refer to Create category groups for projects.
Steps
Go to Project management and accounting > Setup > Categories > Category groups.
Click New.
In the Category group field, type a value.
In the Transaction type field, select an option.
In the Category group name field, type a value.
In the Line property field, enter or select a value.
Select Yes in the Subcontract field.
Click Save.