Roles: Unpropagated Property
This message indicates a property references a *Role type, but that role resource does not reuse the original property. Since the *Role types act as qualifiers, the original property should still be used with the unqualified resource.
Learn more from the official blog post announcement.
Examples
WARNING service/schema-org#RolesUnpropagatedProperty
The "OrganizationRole" type should be used with a propagated reference property.