Adapter Engine is disable in integratin builder design

Hi all

I am facing a pboblum in xi 70 when i enter T Code <b>sxmb_ifr</b> and then click integratoin builder design (Integration Repository) then adapter objects and communication chanal and create new and define name and save At here <b>Adapter Type is dissable How I can Enable Adapter Type sender and reciver.</b>

Thanks

Kumar