How To Fix ESH_OM_OBJ_MODEL_ODP052 - ODP &1 (semantics &2): No semantical key field

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_ODP - ODP-Related Messages

• Message number: 052

• Message text: ODP &1 (semantics &2): No semantical key field

What causes this issue?

The operational data provider (ODP) has no semantical key fields, but
only key fields with semantics <LS>Language Code</> or <LS>Valid To</>.

System Response

The ODP cannot be used without any semantical key field.

How to fix this error?

In the maintenance of the corresponding model node, define another key
field that neither has semantics <LS>Language Code</> nor <LS>Valid To
</>. Alternatively, remove the semantics <LS>Language Code</> or
<LS>Valid To</> - if appropriate.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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_ODP052 - ODP &1 (semantics &2): No semantical key field ?

  The SAP error message ESH_OM_OBJ_MODEL_ODP052 indicates that there is an issue with the semantic key field in the context of the SAP Enterprise Search or the Object Model. This error typically arises when the system is unable to find a semantical key field for the specified object model.
  Cause:
  
  Missing Key Field: The object model you are trying to access does not have a defined semantical key field. This could be due to incorrect configuration or missing definitions in the object model.
  Incorrect Configuration: The object model might not be properly configured in the SAP system, leading to the absence of a semantical key field.
  Data Model Changes: If there have been recent changes to the data model or object definitions, it might have resulted in the loss of the semantical key field.
  
  Solution:
  
  
  Check Object Model Configuration:
  
  Go to the relevant configuration settings for the object model in the SAP system.
  Ensure that a semantical key field is defined for the object model in question.
  
  
  
  Define Semantical Key Field:
  
  If a semantical key field is missing, you may need to define it. This typically involves specifying which field(s) in the object model should be treated as the key field(s).
  
  
  
  Review Data Model:
  
  If there have been changes to the data model, review those changes to ensure that they have not inadvertently removed or altered the key field definitions.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to object models and semantic keys.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific object model you are working with to understand the requirements for semantical key fields.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and definitions, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the error message ESH_OM_OBJ_MODEL_ODP052.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary) or SE80 (Object Navigator) to inspect and modify object models.
  Enterprise Search Configuration: Review the configuration settings for SAP Enterprise Search, as this error is often related to search functionalities.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message ESH_OM_OBJ_MODEL_ODP052.