How To Fix ESH_OM_OBJ_MODEL_REP840 - Navigation path does not fit node of ODP and referenced node field

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 840

• Message text: Navigation path does not fit node of ODP and referenced node field

What causes this issue?

The start node and end node of the navigation path with ID &v1& must
correspond to the node that the ODP field belongs to and the node of the
referenced node field.

System Response

The definition of the ODP field is inconsistent.

How to fix this error?

Correct the navigation path accordingly.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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_REP840 - Navigation path does not fit node of ODP and referenced node field ?

  The SAP error message ESH_OM_OBJ_MODEL_REP840 typically indicates an issue with the navigation path in the context of the SAP Enterprise Search (SAP ESH) or the Object Model. This error suggests that there is a mismatch between the navigation path and the expected structure of the object model, particularly in relation to the ODP (Operational Data Provisioning) and the referenced node field.
  Cause:
  
  Incorrect Navigation Path: The navigation path defined in the object model does not align with the structure of the ODP or the referenced node. This could be due to changes in the data model or incorrect configuration.
  Data Model Changes: If there have been recent changes to the underlying data model or the ODP structure, it may lead to inconsistencies that trigger this error.
  Configuration Issues: Misconfiguration in the settings related to the object model or the navigation paths can also lead to this error.
  Missing or Incorrect Nodes: The referenced node may not exist or may not be correctly defined in the object model.
  
  Solution:
  
  Check Navigation Path: Review the navigation path defined in the object model. Ensure that it correctly corresponds to the structure of the ODP and the referenced node.
  Validate Object Model: Use transaction codes like Esh_om or Esh_om_model to validate the object model configuration. Look for any discrepancies or errors in the model definition.
  Adjust Configuration: If there are any misconfigurations, adjust the settings accordingly. This may involve updating the navigation paths or correcting the definitions of nodes.
  Rebuild Index: If the issue persists, consider rebuilding the search index. This can sometimes resolve inconsistencies that arise from changes in the underlying data.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using. There may be known issues or patches available that address this error.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this specific error.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as Esh_om, Esh_om_model, and others that pertain to the object model and search configuration.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.