while running rehire action system doesnt allow

The employee left on 21.04.2012 Message no. PG474 Diagnosis The employee left the enterprise on 21.04.2012. For this reason, there is no point in entering data. System Response It is always possible to change the data. Depending on the table Infotypes- Customer-Specific Settings (T582A), you can ignore this message when creating or copying data or you must change the validity period of the record. Procedure Check your entries and, if necessary, change the start date of the record. If you do not change the start date of the record, remember that the input does NOT lead to an automatic payroll run for the employee. If you want to run a payroll for the employee, set the 'Run payroll up to' field in the Payroll Status (0003) infotype. Maintainance after leave is permissible must be selected for 0000 in (T582A) Maintenance permitted after leaving This field controls whether you can record master data after an employee has left the company. A warning tells you whether you are permitted to do so or not. V_T582A-NAUST