How To Fix RD128 - No suitable summarization level could be found

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 128

• Message text: No suitable summarization level could be found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RD128 - No suitable summarization level could be found ?

  The SAP error message RD128, which states "No suitable summarization level could be found," typically occurs in the context of reporting and data extraction processes, particularly when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error indicates that the system is unable to find an appropriate summarization level for the data being requested.
  Causes:
  
  Missing Summarization Levels: The required summarization levels for the data you are trying to access may not have been created or activated in the InfoCube or DataStore Object (DSO).
  Incorrect Query Design: The query may be designed in such a way that it does not align with the available summarization levels.
  Data Model Changes: Changes in the data model, such as modifications to InfoObjects or InfoProviders, may lead to inconsistencies in summarization levels.
  Data Not Loaded: If the data has not been loaded into the InfoProvider or if the data load has failed, the summarization levels may not be populated.
  Aggregation Issues: There may be issues with the aggregation settings in the InfoCube or DSO that prevent the system from finding a suitable summarization level.
  
  Solutions:
  
  Check Summarization Levels: Verify that the necessary summarization levels exist for the InfoCube or DSO you are querying. You can do this by checking the settings in the Data Warehousing Workbench.
  Adjust Query Design: Review the query design to ensure that it aligns with the available summarization levels. Make adjustments as necessary to the characteristics and key figures used in the query.
  Rebuild Aggregates: If aggregates are used, consider rebuilding them to ensure they are up to date and correctly reflect the data.
  Data Load Verification: Check the data load process to ensure that data has been successfully loaded into the InfoProvider. If there are issues, resolve them and reload the data.
  Check for Data Model Changes: If there have been recent changes to the data model, ensure that all related objects are updated and consistent.
  Use Transaction RSRV: You can use transaction RSRV to check for inconsistencies in the InfoCube or DSO. This transaction can help identify issues related to summarization levels.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RD128 for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on InfoCubes, DSOs, and summarization levels for a deeper understanding of how they work.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RD128 error in your SAP environment.