How To Fix ESH_OM_OBJ_MODEL_REP028 - Object model could not be instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 028

• Message text: Object model could not be instantiated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP028 - Object model could not be instantiated ?

  The SAP error message ESH_OM_OBJ_MODEL_REP028 indicates that the object model could not be instantiated. This error typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with the configuration or the underlying data model.
  Causes:
  
  Configuration Issues: The object model may not be properly configured in the SAP system. This could include missing or incorrect settings in the object model definition.
  Data Model Changes: If there have been recent changes to the data model or the underlying database tables, it may lead to inconsistencies that prevent the object model from being instantiated.
  Authorization Issues: The user executing the search may not have the necessary authorizations to access the object model or the underlying data.
  System Errors: There could be underlying system errors or inconsistencies in the SAP system that are causing the object model instantiation to fail.
  Missing Dependencies: The object model may depend on other components or services that are not available or not functioning correctly.
  
  Solutions:
  
  Check Configuration: Review the configuration of the object model in the SAP ESH settings. Ensure that all necessary parameters are correctly set.
  Rebuild the Object Model: If there have been changes to the data model, consider rebuilding the object model. This can often resolve issues related to inconsistencies.
  Check Authorizations: Verify that the user has the necessary authorizations to access the object model and the underlying data. Adjust roles and permissions as needed.
  Review Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  System Health Check: Perform a health check of the SAP system to identify any underlying issues that may be affecting the object model instantiation.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Enterprise Search and object model configuration for detailed guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting business operations.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_OM_OBJ_MODEL_REP028 error message.