Are you getting an error in the console(cmd+.)? If you select some cells and do cmd+/ what happens?
Also, is there a way to tempo sync orca w/ Ableton Live?
Yeah, press shift+space instead of space and it will send midi clock stuff to IAC driver, you can sync ableton to that to get the clock.
I also can’t seem to find where I could choose the MIDI Input to send a clock from Live to Orca.
Open the console, press cmd+} to cycle through the inputs. It’s not something I’ve used much so I’m not 100% sure that works reliably.