How To Fix ESH_OM_OBJ_MODEL_RP2776 - Request field &1 cannot be assigned because it is of type &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 776

• Message text: Request field &1 cannot be assigned because it is of type &2

What causes this issue?

Request fields can only be used in ranking factor attribute mappings if
they are not of type &v2&.
Request field &v1& has type &v2& because it references a node field that
has type &v2&. Thus it cannot be used in a ranking factor attribute
mapping.

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_RP2776 - Request field &1 cannot be assigned because it is of type &2 ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2776 indicates that there is a type mismatch when trying to assign a value to a request field in the context of the SAP Enterprise Search or SAP HANA Search. Specifically, the error message states that the request field cannot be assigned because it is of a different data type than what is expected.
  Cause:
  
  Type Mismatch: The most common cause of this error is that the data type of the value being assigned to the request field does not match the expected data type defined in the model. For example, if the request field is defined as an integer and you are trying to assign a string value, this error will occur.
  Incorrect Configuration: There may be an issue with the configuration of the search model or the request structure, leading to an incorrect definition of the field types.
  Data Source Issues: If the data source being queried has changed or if there are inconsistencies in the data types defined in the source system, this can lead to this error.
  
  Solution:
  
  Check Data Types: Review the data types of the request fields in the model and ensure that the values being assigned match these types. You can do this by checking the model definition in the SAP system.
  Adjust Configuration: If there is a configuration issue, you may need to adjust the model or the request structure to ensure that the data types align correctly.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the type mismatch is occurring and identify the specific field and value causing the issue.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the expected data types for the request fields and how to configure them correctly.
  Data Source Validation: Ensure that the data source being used is correctly defined and that the data types in the source system match those expected in the SAP system.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and the solutions they found.
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the ESH_OM_OBJ_MODEL_RP2776 error and implement a solution to resolve it.