How To Fix SADL_GEN_DRFT_MSG066 - Association #TO_COMPOSITION_ROOT in CDS-View &1 is defined multiple times

SADL_GEN_DRFT_MSG066 - Overview

• Message type: E = Error

• Message class: SADL_GEN_DRFT_MSG - Message for Draft generation

• Message number: 066

• Message text: Association #TO_COMPOSITION_ROOT in CDS-View &1 is defined multiple times

What causes this issue?

The association #TO_COMPOSITION_ROOT is defined multiple times, either
in the local view or via inheritance from an underlying view. Please
check the active annotations in the DDL document (CDS view) in Eclipse
via right click 'Open With -> Active Annotations'.

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?

Define the association #TO_COMPOSITION_ROOT only once.

Procedure for System Administrators

Contact the corresponding developer of the DDL document in case of
errors otherwise no further action is required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GEN_DRFT_MSG066 - Association #TO_COMPOSITION_ROOT in CDS-View &1 is defined multiple times ?

  The SAP error message SADL_GEN_DRFT_MSG066 indicates that there is a problem with the definition of associations in a Core Data Services (CDS) view. Specifically, it means that the association #TO_COMPOSITION_ROOT is defined multiple times within the same CDS view, which is not allowed.
  
  Cause:
  The error typically arises from one of the following scenarios:
  
  Duplicate Association Definitions: The same association is defined more than once in the CDS view.
  Inheritance Issues: If the CDS view is inheriting from another view that also defines the same association, it can lead to conflicts.
  Incorrect Annotations: Misconfigured annotations or incorrect usage of association definitions can also lead to this error.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the CDS view definition to ensure that the association #TO_COMPOSITION_ROOT is defined only once. If you find multiple definitions, remove the duplicates.
  
  
  Review Inherited Views: If your CDS view is inheriting from another view, check the parent