How To Fix ESH_OM_OBJ_MODEL_RP2166 - Composition from node &1 to node &2 in object type &3 does not exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 166

• Message text: Composition from node &1 to node &2 in object type &3 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_RP2166 - Composition from node &1 to node &2 in object type &3 does not exist ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2166 indicates that there is an issue with the composition relationship between two nodes in a specific object type within the SAP Enterprise Search (SAP ESH) framework. This error typically arises when the system is trying to access or process a relationship that has not been defined or does not exist in the underlying data model.
  Cause:
  
  Missing Composition Definition: The relationship between the two specified nodes (node &1 and node &2) in the object type (&3) has not been defined in the object model.
  Data Model Configuration Issues: There may be a misconfiguration in the object model or the data model that prevents the system from recognizing the relationship.
  Data Inconsistencies: There could be inconsistencies in the data that lead to the absence of the expected relationship.
  Changes in Object Model: If there have been recent changes to the object model, such as deletions or modifications, it may lead to this error if the changes were not properly reflected in the system.
  
  Solution:
  
  Check Object Model Configuration: Review the object model configuration in the SAP ESH settings to ensure that the composition relationship between the specified nodes is correctly defined.
  Define Missing Relationships: If the relationship is indeed missing, you may need to define it in the object model. This can typically be done through the SAP ESH configuration tools.
  Data Consistency Check: Perform a consistency check on the data to ensure that all expected relationships are present and correctly defined.
  Rebuild Indexes: If the object model has been modified, consider rebuilding the search indexes to ensure that the changes are reflected in the search results.
  Consult Documentation: Refer to the SAP documentation for Enterprise Search and the specific object model you are working with for guidance on how to define and manage compositions.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  Related Information:
  
  SAP ESH Documentation: Review the official SAP documentation for Enterprise Search to understand how object models and compositions are structured.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EHS_SEARCH or EHS_ADMIN for managing search configurations.
  SAP Notes: Check for any SAP Notes related to this error message or the specific object type you are working with, as there may be known issues or patches available.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.