How To Fix RSDD_ZA028 - BWA indexes deactivated. Queries are not reading from the BWA

RSDD_ZA028 - Overview

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 028

• Message text: BWA indexes deactivated. Queries are not reading from the BWA

Self-Explanatory Message

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RSDD_ZA028 - Details

• The SAP error message RSDD_ZA028 indicates that the BWA (Business Warehouse Accelerator) indexes are deactivated, which means that queries are not able to read data from the BWA. This can lead to performance issues since the queries may fall back to reading data from the database instead of the optimized BWA.
  Causes:
  
  Index Deactivation: The BWA indexes may have been manually deactivated or not activated after a data load.
  Data Load Issues: If there were issues during the data load process, it could lead to the BWA indexes being in an inconsistent state.
  
  Configuration Issues: Incorrect configuration settings in the BWA or BW system can lead to deactivation.
  System Maintenance: Regular maintenance tasks or updates might have inadvertently deactivated the indexes.
  Data Model Changes: Changes in the data model (like changes in InfoObjects or InfoProviders) can lead to the need for reactivation of BWA indexes.
  
  Solutions:
  
  
  Reactivate BWA Indexes:
  
  Go to the transaction code RSA1 (Data Warehousing Workbench).
  Navigate to