How To Fix RSD_TREX243 - Structural change to InfoCube requires reconstruction of BWA index

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 243

• Message text: Structural change to InfoCube requires reconstruction of BWA index

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX243 - Structural change to InfoCube requires reconstruction of BWA index ?

  The SAP error message RSD_TREX243 indicates that a structural change has been made to an InfoCube, which necessitates the reconstruction of the BWA (Business Warehouse Accelerator) index. This typically occurs when there are changes to the InfoCube's structure, such as adding or removing characteristics, changing data types, or modifying key figures.
  Cause:
  
  Structural Changes: Any modification to the InfoCube structure, such as adding or removing fields, changing data types, or altering the aggregation behavior of key figures.
  Data Model Changes: Changes in the underlying data model that affect how data is stored or accessed.
  BWA Index Dependency: The BWA index is dependent on the structure of the InfoCube, and any changes to the InfoCube require the index to be rebuilt to ensure that queries can be executed efficiently.
  
  Solution:
  To resolve the RSD_TREX243 error, you need to reconstruct the BWA index for the affected InfoCube. Here are the steps to do this:
  
  
  Access the BWA Administration:
  
  Go to the SAP BW system and navigate to the BWA administration tools.
  
  
  
  Rebuild the BWA Index:
  
  Use transaction code RSCONN01 to access the BWA connection settings.
  Select the relevant InfoCube that requires the index to be rebuilt.
  Choose the option to "Rebuild Index" or "Reconstruct Index" for the InfoCube.
  
  
  
  Monitor the Process:
  
  Monitor the progress of the index reconstruction. This process may take some time depending on the size of the InfoCube and the amount of data.
  
  
  
  Check for Errors:
  
  After the index has been rebuilt, check for any errors or warnings in the process log. Ensure that the index is successfully created.
  
  
  
  Test Queries:
  
  Once the index is rebuilt, test the queries that utilize the InfoCube to ensure that they are functioning correctly and performing optimally.
  
  
  
  Related Information:
  
  BWA (Business Warehouse Accelerator): A tool that enhances the performance of SAP BW queries by using in-memory technology to speed up data retrieval.
  InfoCube: A multidimensional data structure in SAP BW that stores data for reporting and analysis.
  Data Modeling: Changes to the data model in SAP BW can impact the performance and structure of InfoCubes and their associated indexes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and RSCONN01 (BWA Connection) for managing InfoCubes and BWA settings.
  
  By following these steps, you should be able to resolve the RSD_TREX243 error and ensure that your InfoCube and BWA index are properly aligned.