Message type: E = Error
Message class:  HRPAYDEPF - Error messages for German infotype module pools: garnishment 
Message number: 321
Message text: Set earliest personal retroactive accounting date (infotype 0003) to &1
A cleanup of the personnel number is necessary. As payroll cannot be run
for the employee due to the employee leaving the company, the cleanup is
generally not possible.
The system sets the status to <LS>S01 Check</>.
Enter the date of the current in-period (&v1&) as the earliest personal
retroactive accounting date for the personnel number in the <LS>Payroll
Status</> infotype (0003). If the employee joins the company again, you
can cancel the retroactive accounting lock and then perform a new check
and cleanup of the shadow cluster at that time.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRPAYDEPF321 indicates that there is an issue with the retroactive accounting date in the employee's infotype 0003 (Payroll Status). This error typically arises when the system detects that the earliest personal retroactive accounting date is not set correctly, which can prevent payroll processing for the employee.
Cause: Missing or Incorrect Retroactive Accounting Date: The earliest personal retroactive accounting date (PRAD) is not set or is set to a date that is not valid for the payroll period being processed. Infotype 0003 Configuration: The configuration of infotype 0003 may not align with the payroll processing requirements. Employee Status: The employee's status may not allow for retroactive changes, or there may be inconsistencies in the employee's data.
Solution: Set the Earliest Personal Retroactive Accounting Date: Go to the employee's infotype 0003 (Payroll Status) in the SAP system. Check the field for the earliest personal retroactive accounting date (PRAD). Set this date to a valid date that allows
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