Auto BOM No and quantity

Stock Entry-subcontract is not fetching the “BOM No” and “Quantity” from PO in version 10 as shown in picture, can anyone help?
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It seems “Bom No” has been inserted in “Purchase Order Item” and “Stock Entry Detail” this helps to select more than one item in single stock entry-subcontract entry, but bom no in “Stock Entry Detail” is not updating automatically when we send item through PO.