How To Fix RSDD128 - Rollup for InfoCube &1 not possible. There are no aggregates

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 128

• Message text: Rollup for InfoCube &1 not possible. There are no aggregates

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSDD128 - Rollup for InfoCube &1 not possible. There are no aggregates ?

  The SAP error message RSDD128 indicates that a rollup operation for an InfoCube cannot be performed because there are no aggregates available. This typically occurs in the context of SAP BW (Business Warehouse) when trying to perform a rollup operation, which is intended to summarize data from lower-level InfoObjects to higher-level aggregates.
  Cause:
  
  No Aggregates Defined: The primary cause of this error is that there are no aggregates defined for the InfoCube you are trying to roll up. Aggregates are pre-calculated summaries of data that improve query performance.
  Incorrect Configuration: The InfoCube may not be properly configured to support rollup operations, or the aggregates may have been deleted or not created.
  Data Model Changes: Changes in the data model, such as the addition or removal of characteristics, can lead to issues with existing aggregates.
  
  Solution:
  
  
  Create Aggregates:
  
  Go to the InfoCube in the SAP BW system.
  Navigate to the Aggregates section and create the necessary aggregates for the InfoCube.
  Ensure that the aggregates are defined based on the characteristics and key figures that are relevant for your reporting needs.
  
  
  
  Check Aggregate Settings:
  
  Verify the settings of the existing aggregates to ensure they are correctly configured.
  Make sure that the aggregates cover the necessary data ranges and characteristics.
  
  
  
  Rebuild Aggregates:
  
  If aggregates exist but are not functioning correctly, consider rebuilding them. This can be done by deleting the existing aggregates and creating new ones.
  
  
  
  Data Load:
  
  Ensure that the data load process is completed successfully before attempting to perform a rollup. If there are issues with data loading, it may affect the availability of aggregates.
  
  
  
  Check for Errors:
  
  Review the logs and error messages related to the InfoCube and aggregates to identify any underlying issues that may need to be addressed.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to manage InfoCubes and aggregates.
  Documentation: Refer to SAP Help documentation for detailed guidance on creating and managing aggregates in SAP BW.
  Performance Considerations: Aggregates are crucial for improving query performance in SAP BW. Regularly monitor and maintain aggregates to ensure optimal performance.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to aggregates and rollup operations.
  
  By following these steps, you should be able to resolve the RSDD128 error and successfully perform rollup operations on your InfoCube.