Dunno if it has anything to do with setting it to the alternative control scheme, but you can softlock yourself in battles that way. If you select skills you can't abort that action. While Q claims cancel it just zooms the view in and out. The cancel is actually space, but works as a select on Skills. So if you choose skills and then accidentally a skill you don't have enough MP for you can't complete the selection it will not accept an enemy because you don't have enough MP but you can't unselect it and do something else. Softlocking you