How To Fix WS794 - Personnel settlement header data are not unique; check input data.

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 794

• Message text: Personnel settlement header data are not unique; check input data.

What causes this issue?

The transferred personnel settlement document header data has multiple
entries for the same personnel number, document data and compensation
reason.
For consistency reasons<(>,<)> this set of attributes requires unique
data sets.

System Response

The creation of personnel settlement documents is not possible due to
inconsistent data.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS794 - Personnel settlement header data are not unique; check input data. ?

  The SAP error message:
  WS794: Personnel settlement header data are not unique; check input data.
  
  
  Cause:
  This error occurs when the system detects multiple personnel settlement header records with the same key fields during a personnel settlement process (e.g., in payroll or personnel administration). Essentially, the system expects a unique header record for a given personnel settlement, but finds duplicates due to inconsistent or duplicate input data.
  Common reasons include:
  
  Duplicate entries in the personnel settlement header data.
  Incorrect or inconsistent key fields (such as personnel number, settlement period, or payroll area) causing multiple records to be interpreted as identical.
  Data inconsistencies due to manual data entry errors or incorrect data migration.
  Issues in infotype data (e.g., Infotype 2010 - Employee Remuneration Info) or payroll results that cause the system to generate multiple headers.
  
  
  
  Solution:
  
  
  Check Input Data:
  
  Verify the personnel number and settlement period entered.
  Ensure that the key fields used to identify the personnel settlement header are unique.
  Check for duplicate