How To Fix CFD_REGISTRY_CHECK157 - Chosen View Type not allowed for CDS View with aggregation via Group By

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 157

• Message text: Chosen View Type not allowed for CDS View with aggregation via Group By

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK157 - Chosen View Type not allowed for CDS View with aggregation via Group By ?

  The SAP error message CFD_REGISTRY_CHECK157 indicates that there is an issue with the chosen view type for a Core Data Services (CDS) view that uses aggregation via the GROUP BY clause. This error typically arises when the view type selected is not compatible with the aggregation logic defined in the CDS view.
  
  Cause:
  The error occurs when:
  
  You are trying to use a view type that does not support aggregation. For example, if you are trying to create a projection view or a simple view that does not allow for aggregated data.
  The CDS view is defined with aggregation (using GROUP BY), but the view type selected (like a basic view) does not support this aggregation.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the View Type: Ensure that you are using an appropriate view type that supports aggregation. For example, you should use a @AbapCatalog.sqlViewName annotation with a view type that allows