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.