How To Fix RSDD_ZA668 - No physical TREX indexes found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 668

• Message text: No physical TREX indexes found

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA668 - No physical TREX indexes found ?

  The SAP error message RSDD_ZA668: No physical TREX indexes found typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the TREX (Text Retrieval and Extraction) indexing for a specific InfoObject or query. TREX is used for full-text search capabilities in SAP BW.
  Cause:
  
  Missing Indexes: The most common cause of this error is that the TREX indexes for the specific InfoObject or query have not been created or are missing.
  Indexing Issues: There may have been issues during the indexing process, such as interruptions or failures that prevented the indexes from being created successfully.
  Data Model Changes: Changes in the data model, such as modifications to InfoObjects or queries, can lead to inconsistencies in the indexing.
  Configuration Issues: Incorrect configuration settings for TREX or the BW system can also lead to this error.
  
  Solution:
  
  
  Rebuild TREX Indexes:
  
  Go to the SAP BW system and navigate to the relevant InfoObject or query.
  Use transaction code RSD1 to access the InfoObject and check the settings.
  If the indexes are missing, you can rebuild them by using transaction RSCONN01 to check the connection to TREX and then use transaction RSD1 to trigger the indexing process.
  Alternatively, you can use transaction RSDD to manage the TREX indexes.
  
  
  
  Check TREX Configuration:
  
  Ensure that the TREX server is running and properly configured. You can check the TREX administration tools to verify the status.
  Make sure that the connection between SAP BW and TREX is correctly set up.
  
  
  
  Monitor Background Jobs:
  
  Check for any background jobs related to indexing that may have failed. You can use transaction SM37 to monitor job statuses and logs.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the InfoObject or query to ensure that there are no inconsistencies that could be causing the issue.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  
  Consult Documentation:
  
  Review the SAP BW documentation for any specific instructions related to TREX indexing and troubleshooting.
  
  
  
  Related Information:
  
  TREX Administration: Familiarize yourself with TREX administration tools and how to manage indexes.
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on managing InfoObjects and queries.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.