How To Fix CNIF_PI091 - Hierarchy ref.elements &1 and &2 for WBS element &3 are inconsistent

CNIF_PI091 - Overview

• Message type: E = Error

• Message class: CNIF_PI - BAPI Notifications of Project System

• Message number: 091

• Message text: Hierarchy ref.elements &1 and &2 for WBS element &3 are inconsistent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNIF_PI091 - Hierarchy ref.elements &1 and &2 for WBS element &3 are inconsistent ?

  The SAP error message CNIF_PI091 indicates that there is an inconsistency between reference elements in a hierarchy for a Work Breakdown Structure (WBS) element. This typically occurs when there are discrepancies in the assignment of WBS elements or when the hierarchy structure is not properly maintained.
  
  Cause:
  
  Inconsistent Hierarchy: The hierarchy of WBS elements may have been altered, leading to inconsistencies between the parent and child elements.
  Missing or Incorrect Assignments: The reference elements (e.g., parent or child WBS elements) may not be correctly assigned or may be missing.
  Data Integrity Issues: There may be issues with the data integrity in the project structure, such as deleted or inactive WBS elements that are still referenced.
  Changes in Project Structure: Recent changes to the project structure that were not properly reflected in the hierarchy can lead to this error.
  
  
  Solution:
  
  Check Hierarchy Structure: Review the hierarchy of the WBS elements involved. Ensure that all parent-child relationships are correctly