How To Fix ESH_CDS_VAL018 - Field &1 of view &2 derived from &3 which involves an GROUPBY CLAUSE

ESH_CDS_VAL018 - Overview

• Message type: E = Error

• Message class: ESH_CDS_VAL -

• Message number: 018

• Message text: Field &1 of view &2 derived from &3 which involves an GROUPBY CLAUSE

Self-Explanatory Message

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ESH_CDS_VAL018 - Details

• The SAP error message ESH_CDS_VAL018 typically indicates an issue related to the use of a GROUP BY clause in a Core Data Services (CDS) view. This error can occur when there is a mismatch or inconsistency in the fields being selected and those being aggregated or grouped.
  
  Cause:
  The error arises when:
  
  Inconsistent Selection: The fields in the SELECT statement do not align with the fields specified in the GROUP BY clause. In a GROUP BY query, all selected fields must either be included in the GROUP BY clause or be aggregated (e.g., using functions like SUM, COUNT, AVG, etc.).
  Derived Fields: The field mentioned in the error message is derived from another view or table, and there may be issues with how it is being aggregated or grouped.
  Data Model Issues: There may be issues in the underlying data model or the way the CDS view is defined, leading to conflicts in the aggregation