How To Fix RS_B4HANA_RC109 - Simple Aggregation Levels: No automatic conversion. Remodel manually.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4HANA_RC -

• Message number: 109

• Message text: Simple Aggregation Levels: No automatic conversion. Remodel manually.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4HANA_RC109 - Simple Aggregation Levels: No automatic conversion. Remodel manually. ?

  The SAP error message RS_B4HANA_RC109 indicates that there is an issue with the automatic conversion of simple aggregation levels in the context of SAP BW/4HANA. This error typically arises when the system encounters a situation where it cannot automatically convert certain aggregation levels due to the complexity or specific characteristics of the data model.
  Cause:
  
  Complex Aggregation Levels: The aggregation levels defined in the BW system may be too complex or not compatible with the new BW/4HANA model.
  Data Model Changes: Changes in the underlying data model or the introduction of new data sources that do not align with the existing aggregation levels.
  Incompatibility with HANA: Some features or structures in the traditional BW model may not be directly translatable to the HANA environment.
  
  Solution:
  
  
  Manual Remodeling: The primary solution is to manually remodel the affected aggregation levels. This involves:
  
  Analyzing the existing aggregation levels to understand their structure and purpose.
  Creating new aggregation levels that are compatible with BW/4HANA.
  Mapping the existing data to the new aggregation levels as needed.
  
  
  
  Use of BW/4HANA Tools: Utilize the BW/4HANA modeling tools to create new models that leverage the capabilities of HANA, such as:
  
  CompositeProviders
  Calculation Views
  Advanced DSO (DataStore Objects)
  
  
  
  Consult Documentation: Refer to SAP's official documentation and guides on migrating from BW to BW/4HANA, as they provide best practices and detailed steps for remodeling.
  
  
  Testing: After remodeling, ensure thorough testing of the new aggregation levels to confirm that they meet the reporting and analytical requirements.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Training and Resources: Consider SAP training resources or workshops focused on BW/4HANA to better understand the new modeling paradigms and best practices.
  
  By following these steps, you should be able to resolve the RS_B4HANA_RC109 error and successfully transition your aggregation levels to be compatible with BW/4HANA.