How To Fix ESH_OM_OBJ_MODEL_RP2688 - No attribute of the ranking factor is assigned to a request field

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 688

• Message text: No attribute of the ranking factor is assigned to a request field

What causes this issue?

If a ranking factor is assigned to a request all attributes of the
ranking factor must be assigned to fields of the request.
This is not the case for the assignment of the ranking factor &v1& to
object type &v2&, node &v3&, request &v4&.

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_RP2688 - No attribute of the ranking factor is assigned to a request field ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2688 indicates that there is an issue with the configuration of the ranking factors in the SAP Enterprise Search (SAP ESH) environment. Specifically, it means that no attribute of the ranking factor has been assigned to a request field, which is necessary for the search functionality to work correctly.
  Cause:
  
  Missing Attribute Assignment: The ranking factor is defined, but it does not have any attributes assigned to it that can be used in the search request.
  Configuration Issues: There may be a misconfiguration in the search model or the ranking factors that leads to this error.
  Changes in Data Model: If there have been recent changes to the data model or the search configuration, it might lead to this error if the ranking factors are not updated accordingly.
  
  Solution:
  
  
  Check Ranking Factor Configuration:
  
  Go to the SAP ESH configuration and check the ranking factors defined for your search model.
  Ensure that each ranking factor has at least one attribute assigned to it.
  
  
  
  Assign Attributes:
  
  If you find that the ranking factor does not have any attributes assigned, you need to assign the appropriate attributes to the ranking factor.
  This can typically be done in the SAP ESH configuration interface where you manage your search models and ranking factors.
  
  
  
  Validate Search Model:
  
  Validate the entire search model to ensure that all components are correctly configured and that there are no other related issues.
  
  
  
  Rebuild Index:
  
  After making changes to the ranking factors or attributes, it may be necessary to rebuild the search index to ensure that the changes take effect.
  
  
  
  Check Documentation:
  
  Refer to the SAP documentation for Enterprise Search for detailed steps on configuring ranking factors and attributes.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  SAP ESH Documentation: Review the official SAP documentation for Enterprise Search to understand how ranking factors and attributes work.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to resolve the error message ESH_OM_OBJ_MODEL_RP2688 and ensure that your SAP Enterprise Search configuration is functioning correctly.