Frozen with Unit cost is zero

Hi all,

I'm using standard cost.

I defined 1 master org is MAS with costing type is Standard

I created material sub-element.

I create a PO to buy item A with price 100 and received to a sub-inventory. When I open material transaction, only PO receipt has value, Inv evaluation has value is zero.

I ran Standard cost update successful then I opened item cost, Cost type is "Frozen" but Unit cost is Zero.

Please advise me the solution of standard cost.

Thanks and regards,

Thanh.