How To Fix ESH_OM_OBJ_MODEL_REP872 - Node attribute group &1 is already used by node attribute group &1/&2/&3

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 872

• Message text: Node attribute group &1 is already used by node attribute group &1/&2/&3

What causes this issue?

In object type &v1&, node &v2& node attribute group &v4& is already used
by node attribute group &v3&.

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?

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 ESH_OM_OBJ_MODEL_REP872 - Node attribute group &1 is already used by node attribute group &1/&2/&3 ?

  The SAP error message ESH_OM_OBJ_MODEL_REP872 indicates that there is a conflict in the object model configuration, specifically related to node attribute groups. The error message states that a node attribute group is already being used by another node attribute group, which can lead to issues in the data model or object model representation.
  Cause:
  
  Duplicate Attribute Groups: The error typically arises when there are attempts to define or use the same attribute group for multiple nodes in the object model. This can happen during the configuration of the Enterprise Search or Object Model.
  Incorrect Configuration: It may also occur due to incorrect or incomplete configuration of the object model, where the same attribute group is inadvertently assigned to multiple nodes.
  Data Model Changes: If there have been recent changes to the data model or object model, it may lead to conflicts if the same attribute group is referenced multiple times.
  
  Solution:
  
  Check Configuration: Review the configuration of the object model in the SAP system. Ensure that each node attribute group is uniquely assigned and not duplicated across different nodes.
  Modify Attribute Groups: If you find that the same attribute group is being used for multiple nodes, consider modifying the configuration to assign different attribute groups to each node.
  Consistency Check: Run a consistency check on the object model to identify any other potential conflicts or issues that may need to be resolved.
  Documentation Review: Consult the SAP documentation or help resources for guidance on configuring object models and attribute groups correctly.
  Transport Requests: If the issue arose after a transport request, check if the transport included changes that might have caused the conflict. You may need to revert or adjust those changes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like EHS (Enterprise Search) or EHS_MAINTAIN to access the object model configuration and make necessary adjustments.
  Support: If the issue persists after checking the configuration, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the error and ensure that your object model configuration is correct and functional.