How To Fix UMB_AH003 - Node '&1' already contained in hierarchy; Cannot be added

SAP Error Message - Details

• Message type: E = Error

• Message class: UMB_AH - Aggregation Hierarchy

• Message number: 003

• Message text: Node '&1' already contained in hierarchy; Cannot be added

What causes this issue?

Each scorecard may only appear once in the list of aggregation
hierarchies.

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?

Select a scorecard that is not yet contained in the list of aggregation
hierarchies.

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 UMB_AH003 - Node '&1' already contained in hierarchy; Cannot be added ?

  The SAP error message UMB_AH003 indicates that a node you are trying to add to a hierarchy is already present in that hierarchy. This typically occurs in the context of SAP applications that manage hierarchical data structures, such as master data management or organizational structures.
  Cause:
  The error occurs when:
  
  You attempt to add a node (e.g., a cost center, profit center, or any hierarchical entity) that is already part of the hierarchy.
  The system checks for duplicates and finds that the node you are trying to add is already included.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Hierarchy:
  
  Review the existing hierarchy to confirm that the node is indeed already present. You can do this by navigating to the relevant hierarchy display or management transaction in SAP.
  
  
  
  Avoid Duplicate Addition:
  
  If the node is already part of the hierarchy, you do not need to add it again. Instead, you can proceed with your operations without attempting to add the duplicate node.
  
  
  
  Modify Existing Node:
  
  If you need to change the properties or relationships of the existing node, consider modifying the existing entry instead of trying to add it again.
  
  
  
  Use Different Node:
  
  If your intention was to add a different node, ensure that you are using the correct identifier and that the node you are trying to add is not already in use.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources specific to the module you are working with for additional guidance on managing hierarchies.
  
  
  
  Check for System Issues:
  
  In rare cases, this error might be caused by a system issue or inconsistency. If you suspect this, consult your SAP Basis team or technical support for further investigation.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you might be using transaction codes like KSH1 (Create Cost Center), KSH2 (Change Cost Center), or similar transactions for other hierarchical entities.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to modify the hierarchy, as restrictions might also lead to unexpected behavior.
  
  By following these steps, you should be able to resolve the UMB_AH003 error and manage your hierarchy effectively.