SAP Message USMD2084 - Change request type &1: Main entity type &2 does not exist

Diagnosis
You have specified main entity type &V2& forchange request type &V1&. However, entity type &V2& is not (yet) one ofthe entity types that can be processed with change request type &V1&.

Procedure
In the Entity Types subdialog, add entity type &V2& to the listof entity types that can be processed with change request type &V1&.Alternatively, specify a different main entity type for change requesttype &V1&.