How To Fix ESH_ENG_CDSVAL_ES005 - 'key' must be annotated at an element

ESH_ENG_CDSVAL_ES005 - Overview

• Message type: E = Error

• Message class: ESH_ENG_CDSVAL_ES - ES-CDS/ABAP: Validation of domain @EnterpriseSearch

• Message number: 005

• Message text: 'key' must be annotated at an element

What causes this issue?

@EnterpriseSearch.key can be annotated at a view element only.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Remove the annotation wherever it does not relate to a view element.
This annotation is obsolete; it has been replaced by
@ObjectModel.semanticKey!

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ENG_CDSVAL_ES005 - 'key' must be annotated at an element ?

  The SAP error message ESH_ENG_CDSVAL_ES005 indicates that a key must be annotated at an element in a Core Data Services (CDS) view. This error typically arises when you are defining a CDS view and you have not properly specified the key fields that uniquely identify records in the view.
  
  Cause:
  
  Missing Key Annotation: The error occurs when one or more fields that should be designated as keys in the CDS view are not annotated with the @Key annotation.
  Incorrect Field Definition: The fields that are intended to serve as keys may not be correctly defined or may be missing altogether.
  CDS View Structure: The structure of the CDS view may not align with the requirements for key fields, especially if the view is intended to be used in scenarios that require unique identification of records.
  
  
  Solution:
  To resolve this error, you need to ensure that the appropriate fields in your CDS view are annotated as keys.