Did you close Biab and reboot? Some drivers can only use one device at a time, tell us the specs of your system and what audio interface you're using. See all the info in my sig? You need to include all that info too, it's helps us with questions like this.

Bob


Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.