How To Fix SADL_GW_DT_CDS084 - Referenced field &1 must be exposed in the view

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 084

• Message text: Referenced field &1 must be exposed in the view

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS084 - Referenced field &1 must be exposed in the view ?

  The SAP error message SADL_GW_DT_CDS084 indicates that a referenced field in a Core Data Services (CDS) view is not exposed properly. This typically occurs when you are trying to access a field in a CDS view that has not been marked as "exposed" for consumption in the OData service or for use in other contexts.
  Cause:
  The error arises when:
  
  A field that is being referenced in the CDS view is not included in the SELECT statement of the view.
  The field is not marked as @AbapCatalog.sqlViewName or @AbapCatalog.compiler.compareFilter in the CDS definition.
  The field is not annotated with @OData.publish: true or similar annotations that would expose it to the OData service.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the CDS View Definition:
  
  Open the CDS view in the ABAP Development Tools (ADT) or SE11 transaction.
  Ensure that the field referenced in the error message is included in the SELECT statement of the CDS view.
  
  
  
  Expose the Field:
  
  If the field is not included, add it to the SELECT clause.
  If the field is included but not exposed, you may need to add the appropriate annotations to expose it. For example:
  @OData.publish: true
  
  Ensure that the field is properly annotated for OData exposure.
  
  
  
  Activate the CDS View:
  
  After making changes, activate the CDS view to ensure that the changes take effect.
  
  
  
  Check OData Service:
  
  If you are using the CDS view in an OData service, ensure that the service is re-generated and activated in the SAP Gateway Service Builder (transaction code SEGW).
  
  
  
  Test the Changes:
  
  After making the necessary changes and activating the CDS view and OData service, test the functionality again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantically rich data models in SAP. They allow for the definition of views that can be consumed by various applications, including OData services.
  OData Services: OData is a standard protocol for building and consuming RESTful APIs. In SAP, OData services can be generated from CDS views, allowing for easy integration with front-end applications.
  Annotations: Annotations in CDS views provide metadata that can control various aspects of the view, including how it is exposed in OData services.
  
  If you continue to experience issues after following these steps, consider checking the SAP Community or SAP Notes for any specific guidance related to your version of SAP.