Why "project costing de can't be choosed when "destination type"=invnetory in Purchasing Requisition

Summary:

when "destination type"=expense, "project costing detail" can be choosed .but when I cahnged "destination type" to inventory, "project costing detail"can't be choosed? how to fix it?

Main purpose: Use project number to satisfy hard pegging request, which is the item in PR,PO, receipt, subinventory need to lock same project number , until SO WO which have the same project number can use this item.

thank you

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