How To Fix ER006 - There is already a hierarchy level with this description

SAP Error Message - Details

• Message type: E = Error

• Message class: ER - IS-U regional structure

• Message number: 006

• Message text: There is already a hierarchy level with this description

What causes this issue?

You are not permitted to change an existing hierarchy level so that it
has the same description as another hierarchy level.

System Response

The change you have made has been ignored.

How to fix this error?

If you wish to insert this hierarchy level below several other
hierarchy levels, you must create this hierarchy level again. When the
names are the same, a reference is produced automatically.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ER006 - There is already a hierarchy level with this description ?

  The SAP error message ER006, which states "There is already a hierarchy level with this description," typically occurs in the context of creating or modifying hierarchy levels in SAP, particularly in the areas of controlling (CO) or other modules that utilize hierarchical structures.
  Cause:
  The error arises when you attempt to create a new hierarchy level with a description that already exists in the system. SAP enforces uniqueness for hierarchy level descriptions to avoid confusion and ensure data integrity. This means that each hierarchy level must have a distinct description.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Hierarchy Levels:
  
  Navigate to the relevant hierarchy structure in SAP and review the existing hierarchy levels. Look for the description you are trying to use.
  You can use transaction codes like KAH1 (for creating a cost center hierarchy) or KAH2 (for changing a cost center hierarchy) to view existing levels.
  
  
  
  Modify the Description:
  
  If you find that the description you want to use is already taken, consider modifying your new hierarchy level's description to something unique.
  Ensure that the new description is meaningful and adheres to your organization's naming conventions.
  
  
  
  Delete or Change Existing Level:
  
  If the existing hierarchy level is no longer needed, you may consider deleting it or changing its description to free up the desired name. Be cautious with this approach, as it may affect other parts of your system.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or guidelines provided by your organization regarding hierarchy level naming conventions to ensure compliance.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any specific patches or updates related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing hierarchies, such as KAH1, KAH2, KAH3, etc.
  SAP Notes: Check SAP Notes for any known issues or updates related to hierarchy management.
  User Permissions: Ensure that you have the necessary permissions to create or modify hierarchy levels in the system.
  
  By following these steps, you should be able to resolve the ER006 error and successfully manage your hierarchy levels in SAP.