You cannot delete an autostructure in a referenced migration object

Migration object &V1& has references in hyper objects in company &V2&
(for example, in hyper object &V3&).
You can only delete an auto structure in a migration object once the
auto structures with references to migration object &V1& have been
deleted in all affected hyper objects.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Delete the references to the migration object.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.