Message type: E = Error
Message class:  HRPADDERR - Retroactive accounting trigger 
Message number: 011
Message text: Retroactive accountring date req. is after last payroll period &1 of &2.
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The SAP error message HRPADDERR011 indicates that there is an issue with retroactive accounting dates in the payroll process. Specifically, the error states that the retroactive accounting date requested is after the last payroll period for the specified employee.
Cause: This error typically occurs when: A retroactive change (such as a salary adjustment, position change, etc.) is being processed for an employee, but the date of the change is set to a date that is beyond the last payroll period that has been processed. The payroll period has already been closed, and any changes made after this period cannot be retroactively applied.
Solution: To resolve this error, you can take the following steps: Check the Payroll Period: Verify the last payroll period that has been processed for the employee. You can do this by checking the payroll results or the payroll control record. Adjust the Retroactive Date: If the retroactive accounting date is indeed set incorrectly, adjust it
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