How To Fix ESH_OM_OBJ_MODEL_REP389 - Relation does not fit to from-node and to-node of navigation path step

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 389

• Message text: Relation does not fit to from-node and to-node of navigation path step

What causes this issue?

A navigation path step consists of the following attributes:
From-Node: Node where the step starts
To-Node: Node where the step ends
Relation: Composition or association leading from the from-node to the
to-node
The relation links two nodes<(>,<)> which must be identical to the
from-node and the to-node of the step.
This is not the case for this particular navigation path step.

System Response

The step is inconsistent.

How to fix this error?

Correct the step 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_REP389 - Relation does not fit to from-node and to-node of navigation path step ?

  The SAP error message ESH_OM_OBJ_MODEL_REP389 typically occurs in the context of the SAP Enterprise Search or SAP HANA when there is a mismatch in the navigation path defined in the object model. This error indicates that the relation defined in the navigation path does not correspond correctly to the specified "from-node" and "to-node."
  Cause:
  
  Incorrect Configuration: The navigation path may be incorrectly configured in the object model. This can happen if the relationships between the nodes are not properly defined or if there are inconsistencies in the data model.
  Data Model Changes: If there have been recent changes to the underlying data model (like changes in tables, fields, or relationships), the navigation paths may not have been updated accordingly.
  Inconsistent Data: There may be inconsistencies in the data that violate the expected relationships between the nodes.
  
  Solution:
  
  
  Review Navigation Path Configuration:
  
  Go to the configuration of the object model in the SAP system.
  Check the navigation paths and ensure that the relations between the nodes are correctly defined.
  Make sure that the "from-node" and "to-node" are correctly set up according to the data model.
  
  
  
  Update Object Model:
  
  If there have been changes to the data model, update the object model to reflect these changes.
  Ensure that all navigation paths are consistent with the current data structure.
  
  
  
  Check Data Consistency:
  
  Run consistency checks on the data to ensure that there are no orphaned records or broken relationships that could cause this error.
  If necessary, clean up the data to ensure that it adheres to the defined relationships.
  
  
  
  Rebuild Indexes:
  
  If the issue persists, consider rebuilding the indexes related to the object model. This can help resolve issues caused by stale or corrupted indexes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using. There may be specific patches or updates that address this issue.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant details about your configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to the error message or the object model you are working with. SAP frequently releases notes that address known issues and provide solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as Esh_om for object model configuration and Esh_om_path for navigation path management.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.