How to process the Purchase Return of Channel Partner if items are skipped in the Purchase Return process?

Cause: In the system, items are skipped in the Purchase Return process when rate of the selected item is not defined in the price list.
Remedies: While doing the Purchase return of a channel partner supplier, user should ensure that the rate is defined in the pricelist. Also that valid price lists should be selected in Purchase order for the selected item. Users should also ensure that pack code, exp date ,Mfg date is also defined in the selected prices list.