How To Fix RSD_TREX523 - No indexes exist with status "Unknown"

RSD_TREX523 - Overview

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 523

• Message text: No indexes exist with status "Unknown"

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 RSD_TREX523 - No indexes exist with status "Unknown" ?

  The SAP error message RSD_TREX523, which states "No indexes exist with status 'Unknown'," typically occurs in the context of SAP BW (Business Warehouse) when there are issues related to the indexing of InfoProviders, particularly when using the TREX (Text Retrieval and Extraction) engine for search functionalities.
  
  Cause:
  
  Indexing Issues: The primary cause of this error is that the TREX index for the InfoProvider has not been created or is in an inconsistent state. This can happen if the indexing process was interrupted or if there were changes made to the InfoProvider that require re-indexing.
  Configuration Problems: There may be configuration issues with the TREX server or the connection between SAP BW and TREX.
  Data Model Changes: If there have been recent changes to the data model (like adding or removing fields), the existing indexes may no longer be valid.
  System Errors: There could be underlying system errors or issues with the TREX server itself.
  
  
  Solution:
  
  
  Rebuild Indexes: