How To Fix HRRSM00004 - Personnel number already assigned

HRRSM00004 - Overview

• Message type: E = Error

• Message class: HRRSM00 - Process External HR Master Data

• Message number: 004

• Message text: Personnel number already assigned

What causes this issue?

Personnel number &V1& is already assigned. Employee data with this
personnel number was already uploaded from the external system.

System Response

The system terminates processing.
The processing status in the worklist changes to "STOP."

How to fix this error?

Check the personnel number assignment in the external system.
This data record can no longer be processed because of the error. You
can remove it from the worklist with the reorganization function.
&HINT&
This error only occurs when external assignment of personnel numbers is
defined in Customizing.

Error message extract from SAP system. Copyright SAP SE.

HRRSM00004 - Details

• The SAP error message HRRSM00004 indicates that a personnel number you are trying to assign to an employee or a record is already in use. This typically occurs in the Human Resources (HR) module when there is an attempt to create or modify a personnel record with a number that is already assigned to another employee.
  
  Cause:
  
  Duplicate Personnel Number: The personnel number you are trying to assign is already assigned to another employee in the system.
  Data Entry Error: There may have been a mistake in data entry, leading to an attempt to assign an existing personnel number.
  System Configuration: The system may not be configured to allow the reuse of personnel numbers, especially if the personnel number is still active or has not been archived.
  
  
  Solution:
  
  
  Check Existing Personnel Numbers: Verify the personnel number you are trying to assign by checking the existing records in the system. You can do this by using transaction