How To Fix ESH_TREX_ADMIN124 - Error when creating the model metadata instance

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 124

• Message text: Error when creating the model metadata instance

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_TREX_ADMIN124 - Error when creating the model metadata instance ?

  The SAP error message ESH_TREX_ADMIN124 typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with creating the model metadata instance in the TREX (Text Retrieval and Extraction) system. This error can arise due to various reasons, including configuration issues, missing components, or problems with the underlying database.
  Causes:
  
  Configuration Issues: Incorrect or incomplete configuration of the TREX system or the Enterprise Search model can lead to this error.
  Missing Metadata: If the required metadata for the model is not available or is incorrectly defined, it can cause this error.
  Database Issues: Problems with the underlying database, such as connectivity issues or missing tables, can also trigger this error.
  Authorization Problems: Insufficient permissions for the user trying to create the model metadata instance can lead to this error.
  System Resource Limitations: Insufficient system resources (like memory or disk space) can prevent the creation of the metadata instance.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the TREX and ensure that all necessary parameters are correctly set. This includes checking the model configuration in the SAP ESH.
  Verify Metadata: Ensure that all required metadata is defined and correctly configured. You may need to regenerate or update the metadata if it is missing or incorrect.
  Database Connectivity: Check the database connection settings and ensure that the database is accessible. Look for any issues in the database logs that might indicate problems.
  User Authorizations: Verify that the user has the necessary authorizations to create model metadata instances. You may need to adjust roles and permissions accordingly.
  System Resources: Monitor system resources and ensure that there is enough memory and disk space available. If necessary, allocate more resources to the TREX system.
  Check Logs: Review the TREX and SAP application logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for Enterprise Search and TREX for detailed configuration and troubleshooting guidelines.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered and resolved the same error.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.