SAP Message /NFM/CA531 - No NF metals exist for item &

Diagnosis
Either the material for item &V1& has no metal content or you may haveattempted to display the NF data in a consignment fill-up, afree-of-charge delivery, or in a free-of-charge item.

System Response
There is no NF data for items of this type. Maintenance is thereforenot possible.

458311Cancellation documents: no display of NF data (/NFM/CA531)
487834Billing: Incorrect NF data after navigation