SAP Message RP456 - Change before earliest retro. date &1 acc. to control rec. to py area &2

Diagnosis
The master data change that you carried out is relevant to payroll.
It comes before the earliest retro date according tocontrol record that changes relevant to payroll for this employee canbe made.

System Response
You can not carry out the change.

Procedure
Check your entries and the status of the control record of payroll areaV2 (transaction pa03)