How To Fix MSG_UH130 - Node &1 already exists in this hierarchy.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 130

• Message text: Node &1 already exists in this hierarchy.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH130 - Node &1 already exists in this hierarchy. ?

  The SAP error message MSG_UH130 indicates that there is an attempt to create or insert a node in a hierarchy that already exists. This typically occurs in the context of hierarchical data structures, such as organizational units, cost centers, or other master data that utilize hierarchical relationships.
  Cause:
  The error is triggered when:
  
  You are trying to add a node (e.g., a new organizational unit or cost center) to a hierarchy where a node with the same identifier already exists.
  There may be a duplicate entry in the hierarchy, which violates the uniqueness constraint of nodes within that specific hierarchy.
  
  Solution:
  To resolve the MSG_UH130 error, you can take the following steps:
  
  
  Check Existing Nodes:
  
  Verify if the node you are trying to create already exists in the hierarchy. You can do this by navigating to the relevant hierarchy display or using transaction codes like OM01 (for organizational management) or KS01 (for cost centers).
  
  
  
  Use a Unique Identifier:
  
  If you are trying to create a new node, ensure that you are using a unique identifier that does not conflict with existing nodes in the hierarchy.
  
  
  
  Modify Existing Node:
  
  If the node already exists and you intended to modify it, consider using the appropriate transaction to change the existing node instead of creating a new one.
  
  
  
  Hierarchy Structure Review:
  
  Review the hierarchy structure to ensure that it is set up correctly and that there are no unintended duplicates.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on managing hierarchies in your particular module (e.g., SAP Controlling, SAP HR).
  
  
  
  Check for Transport Issues:
  
  If this error occurs after a transport, ensure that the transport did not inadvertently create duplicates or that the hierarchy was not incorrectly modified.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing hierarchies in your SAP module.
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy management that might address this error.
  User Authorizations: Ensure that you have the necessary authorizations to create or modify nodes in the hierarchy.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.