Message SAP /NFM/CA615 - Unit of measure & of material & does not match unit & of NF key &

Diagnosis Base unit of measure &V1& of entered material &V2& does not have thesame dimension as unit of measure &V3& of NF key &V4&. The units of measure are not compatible for conversion purposes. Procedure Choose a material whose base unit of measure can be converted to &V3&.