Hi Nico,
It can be done by assigning the function you want to change to an “unused” Key (any note on your controller) or any “unused” CC controller (knob or fader) first, then assign your new desired note or CC to the function you want to use. It’s a workaround but it’s really as quick as it would be having a dedicated batch function. The reasoning for this decision was that it’s not often someone will want to change/erase everything already assigned at once, therefore a dedicated batch function wasn’t included. Hope that helps
