SAP Message WW416 - This line type (level) cannot be selected

Diagnosis
You have selected a variant line, a characteristics profile line or aninformation line. These line categories cannot be reclassified.

System Response

Procedure
Variants cannot be individually reclassified. Select the respectivegeneric material to reclassify all of the variants.
Characteristics profiles cannot be individually reclassified. Selectthe whole material group instead.