How To Fix 3B107 - Reference person.no.was changed retroactively for the previous period

3B107 - Overview

• Message type: E = Error

• Message class: 3B - Messages HR SK

• Message number: 107

• Message text: Reference person.no.was changed retroactively for the previous period

What causes this issue?

When changing infotype 0121 retroactively the payroll results will not
be correct.
When changing the reference of personnel numbers it is necessary to
adjust the wage results manually.

System Response

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

How to fix this error?

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 3B107 - Reference person.no.was changed retroactively for the previous period ?

  The SAP error message 3B107 indicates that a reference person number (typically related to personnel or employee data) has been changed retroactively for a previous period. This can occur in various HR-related transactions, particularly when dealing with payroll or personnel administration.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  Retroactive Changes: A change was made to an employee's reference person number (e.g., a change in the employee's supervisor or reporting structure) that affects a period in which payroll has already been processed.
  Data Consistency Issues: The system detects that the change conflicts with existing payroll data or other historical records, leading to inconsistencies.
  Incorrect Configuration: There may be issues with the configuration of the personnel administration or payroll modules that do not allow for retroactive changes.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  Review Changes: Check the changes made to the reference person number. Ensure that they are necessary and valid.
  Adjust Dates: