How To Fix RSRV284 - No aggregates/BWA indices affected by reconstruction of X/Y table

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRV -

• Message number: 284

• Message text: No aggregates/BWA indices affected by reconstruction of X/Y table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRV284 - No aggregates/BWA indices affected by reconstruction of X/Y table ?

  The SAP error message RSRV284 indicates that there are no aggregates or BWA (Business Warehouse Accelerator) indices affected by the reconstruction of a specific InfoProvider, typically an InfoCube or DataStore Object (DSO). This message usually arises during the process of data modeling or when performing data maintenance tasks in SAP BW (Business Warehouse).
  Cause:
  
  No Aggregates Defined: The InfoProvider (e.g., InfoCube) may not have any aggregates defined. Aggregates are pre-calculated summaries of data that improve query performance.
  No BWA Indices: If the InfoProvider is not set up to use BWA, or if BWA indices have not been created for the InfoProvider, this message can occur.
  Data Model Changes: Changes made to the data model (like adding or removing characteristics) may not affect any existing aggregates or BWA indices.
  Reconstruction Process: The reconstruction process is intended to refresh or rebuild aggregates or indices, but if there are none to rebuild, this message will appear.
  
  Solution:
  
  
  Check Aggregates: Verify if aggregates are defined for the InfoProvider. If not, consider creating aggregates based on your reporting needs.
  
  Go to the InfoCube in the Data Warehousing Workbench and check the aggregates section.
  Create aggregates if necessary.
  
  
  
  Check BWA Configuration: Ensure that the InfoProvider is configured to use BWA if you intend to leverage its capabilities.
  
  Check the settings in the InfoProvider to see if BWA is enabled.
  If BWA is not set up, you may need to create BWA indices.
  
  
  
  Rebuild Aggregates/Indices: If aggregates or BWA indices exist but are not being affected, you may need to manually trigger a rebuild.
  
  Use transaction RSRV to check the status of aggregates and BWA indices.
  You can also use the "Rebuild" option in the Data Warehousing Workbench.
  
  
  
  Review Data Model Changes: If you have made changes to the data model, ensure that these changes are compatible with existing aggregates and indices. You may need to adjust or recreate them.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to your specific version of BW for any additional troubleshooting steps or considerations.
  
  
  Related Information:
  
  Transaction RSRV: This transaction is used for checking and repairing inconsistencies in the BW system. You can use it to analyze the status of aggregates and BWA indices.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to aggregates and BWA indices.
  Performance Considerations: Understand the role of aggregates and BWA in improving query performance and how they can be effectively utilized in your BW environment.
  
  By following these steps, you should be able to address the RSRV284 error and ensure that your aggregates and BWA indices are properly configured and maintained.