How To Fix SADL_GW_DT_CDS021 - Key fields of association &2 are missing in CDS view &1.

SADL_GW_DT_CDS021 - Overview

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 021

• Message text: Key fields of association &2 are missing in CDS view &1.

Self-Explanatory Message

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SADL_GW_DT_CDS021 - Details

• The SAP error message SADL_GW_DT_CDS021 indicates that there is an issue with the key fields of an association in a Core Data Services (CDS) view. Specifically, it means that the key fields required for the association are not present in the CDS view definition.
  
  Cause:
  This error typically occurs when:
  
  The CDS view is defined with an association that requires certain key fields to be present, but those fields are missing in the view.
  The association is not properly defined, or the underlying data model does not align with the expected structure.
  There may be a mismatch between the key fields defined in the associated entity and those present in the CDS view.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the CDS View Definition:
  
  Open the CDS view in the ABAP Development Tools (ADT) or the relevant transaction (e.g., SE11).
  Verify that the key fields required for the association are included in the SELECT statement