SAP Message RSPLS_CR015 - Derived characteristic overwritten again

Diagnosis
In the characteristic relationships for InfoCube '&V1&', relationshipsof type 'Derivation' have been maintained. In the previous data record,a value was derived for at least one characteristic and then overwrittenagain by another value in step '&V2&'.

System Response
Characteristic relationships are maintained inconsistently. The systemcannot perform characteristic derivation.

Procedure
Maintain characteristic relationships so that the same value is alwaysproduced, even when a characteristic value is dervied more than once.