How To Fix COM_SE_SEARCH066 - Create relation index "&1" -> TREX message: "&2"; TREX return code: "&3"

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_SE_SEARCH - SES: End user messages -> Translate to maximum languages

• Message number: 066

• Message text: Create relation index "&1" -> TREX message: "&2"; TREX return code: "&3"

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 COM_SE_SEARCH066 - Create relation index "&1" -> TREX message: "&2"; TREX return code: "&3" ?

  The SAP error message you are encountering, specifically COM_SE_SEARCH066, is related to the TREX (Text Retrieval and Extraction) search engine used in SAP systems. This error typically indicates an issue with creating a relation index, which is essential for enabling full-text search capabilities in SAP applications.
  Cause:
  The error message can arise due to several reasons, including:
  
  Configuration Issues: There may be misconfigurations in the TREX settings or the related SAP application settings.
  System Resource Limitations: Insufficient memory or disk space on the server where TREX is running can lead to failures in index creation.
  Data Issues: Problems with the data being indexed, such as inconsistencies or corruption, can cause the index creation to fail.
  TREX Service Issues: The TREX service may not be running properly or may have encountered an internal error.
  Version Compatibility: There may be compatibility issues between the SAP application and the TREX version being used.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  Check TREX Status: Ensure that the TREX service is running correctly. You can check the TREX administration tool to verify its status.
  Review Logs: Look at the TREX logs for more detailed error messages that can provide insight into the specific issue. The logs can usually be found in the TREX installation directory.
  Check System Resources: Ensure that the server has enough memory and disk space. If resources are low, consider increasing them or freeing up space.
  Reconfigure TREX: If there are configuration issues, review the TREX configuration settings and make necessary adjustments.
  Data Consistency Check: Verify the data being indexed for any inconsistencies or corruption. You may need to clean or correct the data.
  Restart TREX: Sometimes, simply restarting the TREX service can resolve transient issues.
  Update Software: Ensure that both the SAP application and TREX are updated to the latest compatible versions to avoid any known bugs or issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to TREX and the specific error message for any patches or updates that may address the issue.
  TREX Documentation: Refer to the official TREX documentation for 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.