How To Fix ESH_TREX_ADMIN016 - Index information cannot be retrieved for index &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 016

• Message text: Index information cannot be retrieved for index &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_TREX_ADMIN016 - Index information cannot be retrieved for index &1 ?

  The SAP error message ESH_TREX_ADMIN016 indicates that the system is unable to retrieve index information for a specified index (denoted as &1). This error typically occurs in the context of SAP's Enterprise Search or TREX (Text Retrieval and Information Extraction) system.
  Causes:
  
  Index Not Available: The specified index may not exist or may have been deleted.
  Index Corruption: The index could be corrupted, preventing the system from accessing its information.
  Configuration Issues: There may be configuration issues in the TREX settings or the connection between the SAP system and TREX.
  Authorization Issues: The user may not have the necessary permissions to access the index information.
  TREX Service Down: The TREX service may not be running or may have encountered an error.
  
  Solutions:
  
  
  Check Index Existence:
  
  Verify that the index specified in the error message exists in the TREX system. You can do this by accessing the TREX administration tools.
  
  
  
  Rebuild the Index:
  
  If the index is corrupted, consider rebuilding it. This can often resolve issues related to index corruption.
  
  
  
  Check TREX Configuration:
  
  Review the TREX configuration settings in the SAP system to ensure that they are correct. This includes checking the connection parameters and ensuring that the TREX server is correctly configured.
  
  
  
  Check TREX Service Status:
  
  Ensure that the TREX service is running. You can check the status of the TREX service through the SAP system or directly on the server where TREX is installed.
  
  
  
  Review Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access the index information. This may involve checking user roles and permissions in the SAP system.
  
  
  
  Check Logs:
  
  Review the TREX logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  TREX Administration: Familiarize yourself with the TREX administration tools and how to manage indexes.
  SAP Help Documentation: Refer to the official SAP documentation for Enterprise Search and TREX for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance.