How To Fix HRPAYAT_PAYROLL_ST009 - Simulation/426 difference:

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYAT_PAYROLL_ST - Message Class for Tax Calculation in ABAP-OO

• Message number: 009

• Message text: Simulation/426 difference:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYAT_PAYROLL_ST009 - Simulation/426 difference: ?

  The SAP error message HRPAYAT_PAYROLL_ST009, which indicates a "Simulation/426 difference," typically arises during payroll processing in the SAP HR module. This error suggests that there is a discrepancy between the expected payroll results and the actual results calculated during the simulation run.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the employee master data, such as incorrect infotype records (e.g., infotype 0008 for basic pay, infotype 0014 for recurring payments, etc.).
  Configuration Issues: Payroll schema or rules may not be configured correctly, leading to unexpected results.
  Time Evaluation Errors: Issues with time evaluation results can affect payroll calculations, leading to discrepancies.
  Changes in Payroll Parameters: Recent changes in payroll parameters or tax regulations that have not been updated in the system can cause differences.
  Custom Code: If there are custom enhancements or modifications in the payroll process, they may not be functioning as intended.
  
  Solutions:
  
  Check Master Data: Review the employee master data for any inconsistencies or missing information. Ensure that all relevant infotypes are correctly maintained.
  Review Payroll Configuration: Check the payroll schema and rules for any misconfigurations. Ensure that all necessary payroll components are correctly set up.
  Run Time Evaluation: Ensure that time evaluation has been run successfully before running payroll. Check for any errors in the time evaluation log.
  Analyze Payroll Results: Use the payroll log to analyze the differences. Look for specific areas where the calculations differ from expectations.
  Consult Documentation: Review SAP notes and documentation related to the specific error message for any known issues or patches.
  Testing: If changes were made recently, consider running a test payroll simulation to identify if the changes are causing the discrepancies.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like PC00_MXX_CALC (for payroll calculation) and PC00_MXX_CEDT (for payroll results) to analyze payroll results.
  SAP Notes: Check SAP Notes for any updates or fixes related to this error message. You can search for the error message number in the SAP Support Portal.
  Payroll Logs: Review the payroll logs for detailed information on the calculations and where the discrepancies may be occurring.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP HR team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.