Diagnosis
When you define the matrix dimension 'Length of service' in tableT71GD, you must specify a parameter that in turn specifies acalculation rule for length of service. This calculation rule mustcorrespond with one of the calculation rules taken from the customizingstep "Calculation rules for time data" (T525G).

System Response

Procedure
Check that the parameter for the dimension in T71GD corresponds to acalculation rule stored in T525G.