SAP Message R7240 - Characteristic &1 must equally be a navigation attribute of char. &3

Diagnosis Characteristic '&V2&' is a navigation attribute for characteristic ' V3'. in addition, characteristic 'v2' is compounded tocharacteristic '&V1&'. System Response Characteristic '&V3&' cannot be activated. Procedure Make characteristic '&V1&' into a navigation attribute forcharacteristic '&V3&'.