Hello
I recently bought a Keylab 61 mk ii, and also Ableton Live 12, so I am new to both.
Keylab works fine with Cubase & Dorico -- meaning that when I press a key on the keyboard, sound comes out. But in Ableton, pressing certain keys causes the Ableton interface to switch between Session/Arrangement, and to turn loop, punch in etc. on and off. It isn’t random. Top D toggles loop, D# & E punch in/out, and the D an octave below switches between Session/Arrangement. And after the first couple of notes, the switching takes over and I get no further sound.
Keylab is in DAW mode.