How To Fix COM_HIERARCHY001 - Hierarchy &1 is used more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_HIERARCHY - Hierarchy

• Message number: 001

• Message text: Hierarchy &1 is used more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_HIERARCHY001 - Hierarchy &1 is used more than once ?

  The SAP error message COM_HIERARCHY001 indicates that a hierarchy (identified by the placeholder &1) is being used more than once in a context where it should be unique. This typically occurs in the context of controlling (CO) or other modules where hierarchical structures are defined, such as cost centers, profit centers, or internal orders.
  Cause:
  
  Duplicate Hierarchy Assignment: The hierarchy is assigned to multiple objects or nodes where it should only be assigned to one.
  Incorrect Configuration: There may be a configuration issue where the same hierarchy is mistakenly set up to be used in multiple places.
  Data Entry Error: During data entry, the same hierarchy might have been selected multiple times inadvertently.
  
  Solution:
  
  Check Hierarchy Assignments: Review the assignments of the hierarchy in the relevant configuration settings. Ensure that each hierarchy is assigned uniquely to the appropriate objects.
  Modify Hierarchy Usage: If the hierarchy is indeed required in multiple places, consider creating separate hierarchies for each use case instead of reusing the same one.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on how hierarchies should be structured and assigned in your particular module.
  Use Transaction Codes: Utilize relevant transaction codes (like KSH1, KSH2, etc.) to view and manage hierarchies in the controlling module.
  Check for Customizations: If your SAP system has custom developments, check if any custom logic is causing the hierarchy to be reused incorrectly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to hierarchy management, such as KSH1 (Create Cost Center Hierarchy), KSH2 (Change Cost Center Hierarchy), and KSH3 (Display Cost Center Hierarchy).
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.