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

Cause: In the system, items are skipped in the Channel Partner Return process when the rate of the selected item is not defined in the price list.
Remedies: While doing the Channel Partner return, 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.
When a user wants to process a channel partner return an open Purchase order must exist. Users should select the Purchase order, Location code, Supplier code, item series, Return option, Confirm return, Apply tax -yes/no and reason code for return. Then the users should process the channel partner return.
Channel Partner return menu exists in SCM – Purchase