SAP Message /NFM/CA530 - Item & cond. type &: unit of measure & not permitted (NF key: &)

Diagnosis You have attempted to convert the unit of measure &V3& of NF key &V4&into a weight unit in item &V1& for condition type &V4&. This is notpossible. Procedure Check the definition of the condition type and the conversion tables ofthe units of measure.