How To Fix RSD_TREX668 - No physical TREX indexes found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 668

• Message text: No physical TREX indexes found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX668 - No physical TREX indexes found ?

  The SAP error message RSD_TREX668, which states "No physical TREX indexes found," typically occurs in the context of SAP BW (Business Warehouse) when the system is unable to find the necessary TREX (Text Retrieval and Extraction) indexes for a specific InfoProvider or query. This can happen for various reasons, including issues with the indexing process or configuration.
  Causes:
  
  Indexing Issues: The TREX indexes may not have been created or updated properly. This can happen if the indexing process was interrupted or failed.
  Configuration Problems: There may be misconfigurations in the settings related to the InfoProvider or the TREX server.
  Data Source Changes: If the underlying data source has changed (e.g., changes in the data model), the existing indexes may no longer be valid.
  TREX Server Issues: The TREX server itself may be down or not functioning correctly, leading to an inability to access the indexes.
  Authorization Issues: Lack of proper authorizations to access the TREX indexes can also lead to this error.
  
  Solutions:
  
  
  Rebuild Indexes: 
  
  Go to the SAP BW system and navigate to the relevant InfoProvider.
  Trigger the re-indexing process for the InfoProvider. This can usually be done through the administration tools in SAP BW.
  You can also use transaction codes like RSCONN01 to check and manage the connection to the TREX server.
  
  
  
  Check TREX Server Status:
  
  Ensure that the TREX server is running and accessible. You can check the TREX server status using the TREX administration tools.
  If the TREX server is down, restart it and check for any errors in the logs.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the InfoProvider and ensure that they are correct.
  Verify that the TREX connection settings are properly configured in the SAP BW system.
  
  
  
  Check for Data Source Changes:
  
  If there have been changes to the underlying data source, ensure that the InfoProvider is updated accordingly.
  You may need to re-activate the InfoProvider or perform a data load to refresh the indexes.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the TREX indexes. Check the roles and authorizations assigned to the user.
  
  
  
  Consult Logs:
  
  Review the system logs and TREX logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to TREX and indexing issues for any specific patches or updates that may address the problem.
  Documentation: Refer to the SAP BW and TREX documentation for detailed information on configuration and troubleshooting.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users facing similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RSD_TREX668 error in your SAP BW environment.