How To Fix ESH_OM_OBJ_MODEL_RP2408 - Related requests &1/&2 and &3/&4 have the same navigation ID

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_RP2 - Object Model Repository (2)

• Message number: 408

• Message text: Related requests &1/&2 and &3/&4 have the same navigation ID

What causes this issue?

Related request &v1& with mapping number &v2& and related request &v3&
with mapping number &v4& have the same navigation ID. The navigation ID
must be unique.

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?

Change your data accordingly.

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_RP2408 - Related requests &1/&2 and &3/&4 have the same navigation ID ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2408 indicates that there is a conflict in the navigation IDs of related requests in the Enterprise Search (ESH) object model. This typically occurs when two or more requests are trying to use the same navigation ID, which can lead to ambiguity in how the system processes these requests.
  Cause:
  
  Duplicate Navigation IDs: The error is primarily caused by having multiple requests that share the same navigation ID. This can happen due to misconfiguration or incorrect setup in the object model.
  Model Configuration Issues: If the object model is not properly configured, it can lead to overlapping navigation IDs.
  Transport Issues: If changes were transported from one system to another, it might lead to inconsistencies in navigation IDs.
  
  Solution:
  
  Check Object Model Configuration: Review the configuration of the object model in the ESH settings. Ensure that each request has a unique navigation ID.
  Adjust Navigation IDs: If you find duplicate navigation IDs, modify them to ensure uniqueness. This may involve changing the configuration in the relevant request definitions.
  Rebuild Indexes: After making changes, it may be necessary to rebuild the indexes to ensure that the changes take effect.
  Transport Management: If the issue arose after a transport, check the transport logs and ensure that the object model was correctly transported without conflicts.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of ESH you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  System Logs: Review system logs for any additional error messages or warnings that could provide more insight into the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing: After making changes, conduct thorough testing to ensure that the navigation works as expected and that no new issues have been introduced.
  
  By following these steps, you should be able to resolve the ESH_OM_OBJ_MODEL_RP2408 error and ensure that your SAP system's object model is functioning correctly.