How To Fix WS791 - Duplicate personnel settlement documents would occurs, check input data.

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 791

• Message text: Duplicate personnel settlement documents would occurs, check input data.

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• What is the cause and solution for SAP error message WS791 - Duplicate personnel settlement documents would occurs, check input data. ?

  The SAP error message WS791: "Duplicate personnel settlement documents would occur, check input data." typically arises during personnel settlement processing (e.g., when processing final settlements for employees) and indicates that the system has detected potential duplicate settlement documents for the same personnel number and period.
  
  Cause
  
  Duplicate Document Creation Attempt: The system is trying to create a personnel settlement document that already exists for the same employee and settlement period.
  Incorrect or Repeated Input Data: The input data for the settlement run may contain duplicate entries or overlapping periods.
  Settlement Run Already Processed: The personnel settlement for the employee and period has already been processed and posted.
  Incorrect Configuration or Customization: Sometimes, incorrect settings in the payroll or personnel settlement configuration can cause the system to attempt to generate duplicate documents.
  Manual Interventions: Manual creation or changes in personnel settlement documents outside the standard process can cause conflicts.
  
  
  Solution
  
  
  Check Existing Settlement Documents:
  
  Use transaction PC_PAYRESULT or PC00_M99_CWTR to check if a settlement document already exists for the employee and period.
  Review the personnel settlement documents in PA30 or PA20 under the relevant infotypes.
  
  
  
  Verify Input Data:
  
  Ensure that the input data for the settlement run does not contain duplicate entries for the same employee and period.
  Check the selection criteria and input files for duplicates.
  
  
  
  Review Settlement Periods:
  
  Confirm that the settlement periods do not overlap or repeat.
  Adjust the settlement period if necessary.
  
  
  
  Check Payroll and Settlement Configuration:
  
  Verify the configuration in payroll schemas and personnel settlement rules.
  Ensure that the system is not configured to generate multiple settlement documents for the same period.
  
  
  
  Delete or Reverse Duplicate Documents:
  
  If duplicate documents exist, consider reversing or deleting the incorrect ones before reprocessing.
  Use transaction PC00_M99_CWTR or payroll correction transactions to handle this.
  
  
  
  Run Settlement Again:
  
  After correcting the input data and configuration, rerun the personnel settlement process.
  
  
  
  
  Related Information
  
  Personnel Settlement Process: This process is used to settle payroll for employees leaving the company or for specific periods.
  Transactions:
  
  PC00_M99_CWTR: Personnel Settlement Run
  PC_PAYRESULT: Display Payroll Results
  PA30 / PA20: Maintain / Display HR Master Data
  
  
  SAP Notes: Check SAP Notes related to WS791 for any patches or known issues.
  Payroll Logs: Review payroll logs for detailed error messages and processing steps.
  User Authorization: Ensure the user running the settlement has the necessary authorizations.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WS791: Duplicate personnel settlement documents would occur, check input data.
  
  
  Cause
  Attempt to create duplicate settlement documents for the same employee and period.
  
  
  Solution
  Check existing documents, verify input data, correct settlement periods, adjust config, delete duplicates, rerun settlement.
  
  
  Related Transactions
  PC00_M99_CWTR, PC_PAYRESULT, PA30, PA20
  
  
  
  
  If the problem persists after these steps, consider raising a support ticket with SAP, providing detailed logs and screenshots for further analysis.