How To Fix ESH_OM_OBJ_MODEL_REP257 - More than one key field is flagged as a language field

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 257

• Message text: More than one key field is flagged as a language field

What causes this issue?

You can flag a maximum of one key field as a language field.

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?

Correct your entries accordingly.

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_REP257 - More than one key field is flagged as a language field ?

  The SAP error message ESH_OM_OBJ_MODEL_REP257 indicates that there is a configuration issue in the object model where more than one key field is flagged as a language field. This situation typically arises in the context of the SAP Enterprise Search or the SAP HANA Search, where the system expects only one key field to be designated as a language field for proper functioning.
  Cause:
  The error is caused by the following:
  
  Multiple Language Fields: In the object model configuration, more than one key field has been marked as a language field. This is not allowed because the system needs to know which field to use for language-specific operations.
  Incorrect Configuration: The object model may have been incorrectly set up, either during the initial configuration or due to changes made later.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Object Model Configuration:
  
  Go to the relevant transaction for managing the object model (e.g., Esh_om or similar).
  Review the configuration of the object model to identify which fields are marked as key fields and which of those are flagged as language fields.
  
  
  
  Modify Key Field Settings:
  
  Ensure that only one key field is designated as a language field. If you find multiple fields flagged as language fields, you will need to change the settings.
  Uncheck the language field option for all but one of the key fields.
  
  
  
  Save Changes:
  
  After making the necessary adjustments, save the changes to the object model configuration.
  
  
  
  Test the Configuration:
  
  After saving, test the configuration to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Consult Documentation:
  
  If you are unsure about which field should be designated as the language field, consult the SAP documentation or guidelines specific to your version of SAP.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists or if you are unable to resolve it, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Object Model Documentation: Review the documentation related to the object model configuration in SAP to understand the implications of language fields and key fields.
  Testing Environment: If possible, replicate the issue in a testing environment before making changes in the production system to avoid disruptions.
  
  By following these steps, you should be able to resolve the error message ESH_OM_OBJ_MODEL_REP257 and ensure that your object model is correctly configured.