How To Fix RSODP_ABAP_CDS202 - Element &1 contains unsupported aggregation &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 202

• Message text: Element &1 contains unsupported aggregation &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS202 - Element &1 contains unsupported aggregation &2 ?

  The SAP error message RSODP_ABAP_CDS202 indicates that there is an issue with the aggregation used in a Core Data Services (CDS) view. Specifically, the error message states that an element (field) in the CDS view contains an unsupported aggregation type.
  Cause:
  The error typically arises when:
  
  An aggregation function (like SUM, AVG, COUNT, etc.) is applied to a field that does not support it. For example, trying to aggregate a non-numeric field or a field that is not suitable for the specified aggregation.
  The aggregation is not compatible with the data type of the field being aggregated.
  The CDS view is not properly defined, or there are inconsistencies in the data model.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Aggregation Type: Review the aggregation function being used in the CDS view. Ensure that it is appropriate for the data type of the field. For example, you cannot use SUM on a string field.
  
  
  Review the Data Model: Ensure that the fields being aggregated are defined correctly in the underlying data model. Check the data types and ensure they are compatible with the aggregation functions.
  
  
  Modify the CDS View: If necessary, modify the CDS view to either:
  
  Remove the unsupported aggregation.
  Change the field being aggregated to a compatible type.
  Use a different aggregation function that is supported for the field.
  
  
  
  Test the Changes: After making the necessary changes, activate the CDS view and test it to ensure that the error is resolved.
  
  
  Consult Documentation: If you are unsure about the supported aggregations for specific data types, refer to the SAP documentation for Core Data Services and the specific aggregation functions.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  CDS View Documentation: Review the official SAP documentation on CDS views to understand the rules and limitations regarding aggregations.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.