How To Fix RSD_TREX252 - Prepare optimize finished

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 252

• Message text: Prepare optimize finished

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_TREX252 - Prepare optimize finished ?

  The SAP error message RSD_TREX252, which states "Prepare optimize finished," typically occurs in the context of SAP BW (Business Warehouse) when there are issues related to the optimization of the data in the SAP BW system. This message is often associated with the TREX (Text Retrieval and Information Extraction) search engine used in SAP BW for text-based searches.
  Cause:
  
  Data Model Issues: There may be inconsistencies or issues in the data model that prevent the optimization process from completing successfully.
  Performance Issues: The system may be experiencing performance issues, such as high load or insufficient resources, which can affect the optimization process.
  Configuration Problems: Incorrect configuration settings for the TREX engine or the BW system can lead to this error.
  Data Volume: Large volumes of data being processed can lead to timeouts or failures during the optimization process.
  Missing or Corrupted Data: If there are missing or corrupted data records, it can cause the optimization to fail.
  
  Solution:
  
  Check Data Model: Review the data model for any inconsistencies or errors. Ensure that all data sources and transformations are correctly configured.
  Monitor System Performance: Use transaction codes like ST03N or ST22 to monitor system performance and check for any bottlenecks or resource issues.
  Review TREX Configuration: Ensure that the TREX configuration is correct. You may need to check the TREX administration settings and logs for any errors.
  Data Volume Management: If the data volume is too high, consider partitioning the data or optimizing the data load process to reduce the load on the system.
  Check for Missing Data: Run consistency checks on the data to identify any missing or corrupted records. You can use transaction codes like RSA1 to check the data flow.
  Re-run Optimization: After addressing the above issues, try re-running the optimization process to see if the error persists.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), ST22 (Dump Analysis), and SM37 (Job Monitoring) to help diagnose and resolve issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to TREX and BW optimization for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP BW and TREX.