agreed, does seem fishy, just thought it might be worth a try. I’m fairly certain I got real irked once when I had the rotation setting switched to run mlr w/ the 128 vertical, then went back to a horizontal app
In any case, I doubt I can offer further help, but you should elaborate on your system (win/mac, OS version, max version, ableton version, serialosc version) and any information the max window is bringing up when it crashes as this will help the people more familiar w/ these technical issues
would likely also be helpful to clarify, when you say “crash” is that the program (max or ableton) or your whole computer? and does this happen just w/ the arc or additionally w/ the grid?