SAP Message 3E042 - Enter an amount or rate

Diagnosis
The additional payments data you entered does not correspond to therules in the Wage Type Characteristics view (V_T511).

System Response
The wage type requires a different combination of amount andnumber/unit. The system cannot process your entry. The terminationprocess failed.

Procedure
Display the relevant wage type in view V_T511 and check the inputcombination for the Amount and Number/unit fields and setup the wage type with the correct details.
You must enter at least the Amount or Number/unit againstthe wage type.