This usually means that the Reason version on your Reason Studios account doesn't support the Rack Extension you get the message about. It could, for example, be that the Rack Extension is created in a newer SDK than your Reason version supports.
This usually means that the Reason version on your Reason Studios account doesn't support the Rack Extension you get the message about. It could, for example, be that the Rack Extension is created in a newer SDK than your Reason version supports.