How To Fix ESH_OM_OBJ_MODEL_REP871 - Field &4 is already assigned to 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: 871

• Message text: Field &4 is already assigned to node attribute group &1/&2/&3

What causes this issue?

In object type &v1&, node &v2& node field &v4& is already assigned to
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_REP871 - Field &4 is already assigned to node attribute group &1/&2/&3 ?

  The SAP error message ESH_OM_OBJ_MODEL_REP871 indicates that there is an issue with the assignment of a field to a node attribute group in the SAP Enterprise Search (SAP ESH) or the Object Model. Specifically, the error message states that the field (represented by &4) is already assigned to the specified node attribute group (represented by &1, &2, and &3).
  Cause:
  This error typically occurs when:
  
  You are trying to assign a field to a node attribute group that is already assigned to that group.
  There may be a configuration or data model issue where the same field is being redundantly assigned, which is not allowed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the relevant configuration area in SAP where the node attribute groups are defined.
  Check the existing assignments for the field in question (&4) to see if it is already assigned to the node attribute group (&1, &2, &3).
  
  
  
  Remove Redundant Assignment:
  
  If the field is already assigned, you may need to remove the redundant assignment or modify your configuration to avoid the conflict.
  
  
  
  Review Configuration:
  
  Review the configuration of the object model and ensure that the field assignments are correctly set up without duplicates.
  Ensure that the data model is correctly defined and that there are no conflicting definitions.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for Enterprise Search and Object Model configuration for best practices and guidelines on field assignments.
  
  
  
  Testing:
  
  After making changes, test the configuration to ensure that the error is resolved and that the system behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like ESH_COCKPIT or EHS_MAINTAIN to access the relevant configuration areas.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with the error details and the steps you have taken.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.