When things like this happen the first thing to do is the return to factory settings. Go to options/return to setting/ and select the top option. I have had similar things like this happen from time to time and the return to factory settings had worked. Let us know if this works or not.

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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