How To Fix ESH_OM_OBJ_MODEL_RP2768 - Ranking factor attribute &2 cannot be assigned as it acts as constraint

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 768

• Message text: Ranking factor attribute &2 cannot be assigned as it acts as constraint

What causes this issue?

A ranking factor attribute cannot be assigned to a request field if it
acts as a constraint. This is the case for attribute &v2& of ranking
factor &v1&.

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_RP2768 - Ranking factor attribute &2 cannot be assigned as it acts as constraint ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2768 indicates that there is an issue with the assignment of a ranking factor attribute in the context of the SAP Enterprise Search (ESH) or SAP HANA Search. Specifically, the error states that the ranking factor attribute you are trying to assign is acting as a constraint, which means it cannot be used in the way you are attempting.
  Cause:
  
  Attribute Type: The attribute you are trying to assign as a ranking factor may be defined as a constraint in the object model. Constraints are typically used to filter or limit the results of a search, while ranking factors are used to influence the order of the results.
  Model Configuration: The configuration of the object model may not allow certain attributes to be used as ranking factors if they are already defined as constraints.
  Data Model Design: The design of the data model may inherently restrict the use of certain attributes in multiple roles (as both a constraint and a ranking factor).
  
  Solution:
  
  Review Attribute Definitions: Check the definitions of the attributes in your object model. Ensure that the attribute you are trying to assign as a ranking factor is not already defined as a constraint.
  Modify Object Model: If the attribute is indeed defined as a constraint, you may need to modify the object model to either:
  
  Remove the constraint designation from the attribute if it is not necessary.
  Choose a different attribute that can serve as a ranking factor without conflicting with the constraints.
  
  
  Consult Documentation: Refer to the SAP documentation for Enterprise Search or the specific version of SAP you are using to understand the limitations and best practices regarding ranking factors and constraints.
  Testing: After making changes, test the object model to ensure that the error is resolved and that the search functionality behaves as expected.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check for any relevant SAP Notes or KBA that might address this specific error or provide additional context.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to resolve the error message ESH_OM_OBJ_MODEL_RP2768 and successfully configure your ranking factors in the SAP system.