How To Fix ESH_TREX_ADMIN147 - Index check on join creation: Cannot recreate missing index &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 147

• Message text: Index check on join creation: Cannot recreate missing index &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_TREX_ADMIN147 - Index check on join creation: Cannot recreate missing index &1 ?

  The SAP error message ESH_TREX_ADMIN147 indicates that there is an issue with the creation of a join in the SAP Enterprise Search (TREX) system due to a missing index. This error typically arises when the system attempts to create a join between two or more data sources, but one of the required indexes is not available.
  Cause:
  
  Missing Index: The primary cause of this error is that the index specified in the error message (&1) is missing or has not been created in the TREX system.
  Index Deletion: The index may have been deleted or not properly created during the initial setup or subsequent updates.
  Configuration Issues: There may be configuration issues in the data source or the TREX settings that prevent the index from being recognized or created.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Index Status:
  
  Use the TREX administration tools to check the status of the index mentioned in the error message. You can do this by accessing the TREX administration interface.
  
  
  
  Recreate the Missing Index:
  
  If the index is indeed missing, you will need to recreate it. This can typically be done through the SAP GUI or TREX administration tools.
  Navigate to the relevant data source and initiate the index creation process.
  
  
  
  Verify Data Source Configuration:
  
  Ensure that the data source configuration is correct and that all necessary settings are in place for the index to be created successfully.
  
  
  
  Check for Errors in Logs:
  
  Review the TREX logs for any additional error messages or warnings that might provide more context about why the index is missing.
  
  
  
  Re-indexing:
  
  If the index exists but is not functioning correctly, consider re-indexing the data source. This can help resolve inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for specific instructions related to your version of TREX and the data sources you are using.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  TREX Administration Guide: This guide provides detailed instructions on managing indexes, data sources, and troubleshooting common issues.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches and updates.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.