How To Fix ESH_OM_OBJ_MODEL_REP856 - Relation is used in NAF navigation path &1, step &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 856

• Message text: Relation is used in NAF navigation path &1, step &2

What causes this issue?

Relation is used in step &v2& of navigation path &v1& that is used to
assign operational data provider fields to node fields.

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_REP856 - Relation is used in NAF navigation path &1, step &2 ?

  The SAP error message ESH_OM_OBJ_MODEL_REP856 indicates that a relation is being used in a navigation path that is not properly defined or is causing issues in the context of the SAP Enterprise Search (SAP ESH) framework. This error typically arises when there are inconsistencies or misconfigurations in the object model or the navigation paths defined in the system.
  
  Cause:
  
  Inconsistent Object Model: The object model may have been modified, and the relation in question is no longer valid or is incorrectly defined.
  Missing or Incorrect Configuration: The navigation path may reference a relation that is not properly configured or does not exist in the current context.
  Transport Issues: If changes were transported from one system to another, there may be inconsistencies in the object model or navigation paths.
  Data Model Changes: Changes in the underlying data model (like changes in tables or relationships) can lead to this error if the navigation paths are not updated