SAP Message 5N327 - The old record may not be changed; create a new record

Diagnosis
You are attempting to change a record in a period which precedes thecurrent payroll period. For adjustment procedures for payrollcalculations you must always change the data of InfotypeCalculations for Adjustment Procedure (0879) in the most recentpayroll period.

System Response
The system does not allow adjustments to old records.

Procedure
Create a new record.