Charlie said "Also check what driver BIAB is using and change it from ASIO to another driver choice if it is set to ASIO. "

This is important. Most all ASIO drivers can handle only one program at a time and it will mess up your system if it tries to load two ASIO driven programs. If you have a PC change both the 32 and 64 bit versions of BiaB to MME drivers. Keep your Pro Tools at ASIO. That may solve your problems. Note I do not know what the MME Windows' driver's equivalent is on a MAC.

Whenever I get something stuck in the back of my throat, I dislodge it by drinking a beer.
It's called the Heineken Maneuver.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware