How To Fix ESH_CDS_VAL004 - Field &1 of view &2 derived from &3 is a calculated field

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CDS_VAL -

• Message number: 004

• Message text: Field &1 of view &2 derived from &3 is a calculated field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_CDS_VAL004 - Field &1 of view &2 derived from &3 is a calculated field ?

  The SAP error message ESH_CDS_VAL004 indicates that a field in a Core Data Services (CDS) view is a calculated field, and it cannot be used in certain contexts where a direct database field is expected. This error typically arises when you attempt to use a calculated field in a way that is not supported, such as in a filter or aggregation context.
  Cause:
  
  Calculated Field: The field in question is derived from a calculation or expression rather than being a direct mapping to a database column. This means that the value of the field is computed at runtime based on other fields.
  Context Misuse: The calculated field is being used in a context that requires a direct database field, such as in a WHERE clause, GROUP BY clause, or as part of an aggregation.
  
  Solution:
  
  Review Usage: Check where the calculated field is being used in your query or application logic. Ensure that it is not being used in contexts that require a direct field.
  Modify Query: If you need to filter or aggregate based on the calculated field, consider modifying your query to use the underlying fields that contribute to the calculation instead.
  Create a New CDS View: If necessary, create a new CDS view that includes the calculated field along with the necessary underlying fields, allowing you to perform the required operations without encountering this error.
  Use Alternative Logic: If the calculated field is essential for your logic, consider implementing the calculation in the application layer or using a different approach to achieve the desired result.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantic data models in SAP. They allow for the creation of complex data models that can include calculated fields.
  Field Types: Understand the difference between calculated fields and direct fields in CDS views. Calculated fields are typically defined using expressions or functions that derive their values from other fields.
  SAP Documentation: Refer to the official SAP documentation for more details on CDS views, calculated fields, and best practices for querying data.
  
  By addressing the context in which the calculated field is used and ensuring that it aligns with the capabilities of CDS views, you can resolve the ESH_CDS_VAL004 error effectively.