How To Fix 5N391 - Infotype may not be limited retroactively

5N391 - Overview

• Message type: E = Error

• Message class: 5N - HR NL: Error Messages for Infotype Module Pools (NL)

• Message number: 391

• Message text: Infotype may not be limited retroactively

Self-Explanatory Message

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5N391 - Details

• The SAP error message 5N391, "Infotype may not be limited retroactively," typically occurs when there is an attempt to make changes to an infotype (such as personal data, organizational assignment, etc.) that is not allowed to be retroactively limited. This means that the system is preventing changes to historical data that could affect payroll or other time-sensitive processes.
  
  Cause:
  
  Retroactive Changes: The error usually arises when a user tries to change an infotype record that has a validity period that overlaps with a period where payroll has already been processed.
  Infotype Configuration: Certain infotypes are configured in such a way that they do not allow retroactive changes. This is often a part of the business rules set up in the SAP system.
  Payroll Processing: If payroll has been run for a period, changes to infotypes that affect payroll calculations for that period are restricted.
  
  
  Solution:
  
  Check Validity Dates: Review the validity dates of the infotype record