How To Fix RSTRAN596 - Key of InfoSource '&1' is not used to aggregate data in HANA runtime

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 596

• Message text: Key of InfoSource '&1' is not used to aggregate data in HANA runtime

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSTRAN596 - Key of InfoSource '&1' is not used to aggregate data in HANA runtime ?

  The SAP error message RSTRAN596 indicates that the key of the specified InfoSource is not being used to aggregate data in the HANA runtime. This typically occurs in the context of SAP BW (Business Warehouse) when working with HANA as the database.
  Cause:
  
  Unused Key Figures: The key figure specified in the InfoSource is not being utilized in the data model or query. This can happen if the key figure is not included in the aggregation logic or if it is not part of the data flow.
  Modeling Issues: There may be issues in the data model where the InfoSource is not properly linked to the data target or the query.
  Incorrect Query Design: The query that is trying to access the InfoSource may not be designed to use the key figure, leading to this error.
  Data Source Configuration: The InfoSource may not be correctly configured to aggregate data in the HANA environment.
  
  Solution:
  
  Check InfoSource Configuration: Ensure that the InfoSource is correctly configured and that the key figure is included in the data flow. Verify that it is mapped correctly to the data target.
  Review Query Design: Check the query that is using the InfoSource. Make sure that the key figure is included in the query definition and that it is set to aggregate data.
  Update Aggregation Logic: If the key figure is intended to be aggregated, update the aggregation logic in the data model to include it.
  Data Model Validation: Validate the data model to ensure that all components are correctly linked and that there are no inconsistencies.
  Re-activate Objects: Sometimes, re-activating the InfoSource, data target, and related objects can resolve issues related to data aggregation.
  Check for HANA-Specific Settings: If you are using HANA-specific features, ensure that the settings are correctly applied for the InfoSource and that it is compatible with HANA.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on troubleshooting.
  Documentation: Refer to SAP BW and HANA documentation for best practices on modeling and data aggregation.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the RSTRAN596 error and implement a solution to resolve it.