SAP Message WR015 - Value-only material determination not possible

Diagnosis
Before a revaluation at retail is made, a check is carried out as towhether the material entered is managed on a quantity and value basisor on a value-only basis.
Due to missing parameters, value-only material determination could notbe performed.

Procedure
Check your entries for the plant and material and correct them ifnecessary.
If you entered them correctly, your system administration has to addmissing plant and material settings.