How To Fix SADL_GW_DT_CDS020 - CDS view &1: Association &2 may use fields of target primary key only.

SADL_GW_DT_CDS020 - Overview

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 020

• Message text: CDS view &1: Association &2 may use fields of target primary key only.

Self-Explanatory Message

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SADL_GW_DT_CDS020 - Details

• The SAP error message SADL_GW_DT_CDS020 indicates that there is an issue with the definition of an association in a Core Data Services (CDS) view. Specifically, the error states that the association is using fields that are not part of the primary key of the target entity. This is a common issue when defining associations in CDS views, as they must adhere to certain rules regarding primary keys.
  Cause
  The error occurs when:
  
  An association in a CDS view is defined using fields that are not part of the primary key of the target entity.
  The association is expected to link to a unique record in the target entity, which can only be done using primary key fields.
  
  Solution
  To resolve this error, you should:
  
  
  Check the Association Definition: Review the association in your CDS view. Ensure that the fields used in the association are part of the primary key of the target entity.
  Example:
  define association to target_entity as