How To Fix SADL_GW_DT_CDS025 - Association #TO_COMPOSITION_ROOT in CDS view &1 defined multiple times

SADL_GW_DT_CDS025 - Overview

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 025

• Message text: Association #TO_COMPOSITION_ROOT in CDS view &1 defined multiple times

What causes this issue?

The association that is annotated with @ObjectModel.association.type:
#TO_COMPOSITION_ROOT is defined multiple times, either in the local CDS
view or through an inheritance from an underlying CDS view.

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?

To check the active annotations in the CDS view in Eclipse, right-click
Open With -> Active Annotations.
Define the association annotated with @ObjectModel.association.type:
#TO_COMPOSITION_ROOT only once.

Procedure for System Administrators

Contact the corresponding developer of the CDS view to correct the
error.

Error message extract from SAP system. Copyright SAP SE.

SADL_GW_DT_CDS025 - Details

• The SAP error message SADL_GW_DT_CDS025 indicates that there is an issue with the definition of associations in a Core Data Services (CDS) view. Specifically, the error message states that the association #TO_COMPOSITION_ROOT is defined multiple times in the CDS view. This can lead to ambiguity when the system tries to resolve which association to use.
  Cause
  The primary cause of this error is that the association #TO_COMPOSITION_ROOT has been defined more than once within the same CDS view or in the context of the same data model. This can happen due to:
  
  Duplicate Definitions: The same association is inadvertently defined multiple times in the CDS view.
  Inheritance: If the CDS view is inheriting from another view that also defines the same association, it can lead to conflicts.
  Incorrect Annotations: Misconfiguration or incorrect annotations in the CDS view can also lead to this error.
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicate Definitions: