It's normal at this point for the fear-anger syndrome to take over and make you want to hammer on that side plate with a chisel, to pound it off with a sledge if necessary. You think about it, and the more you think about it the more you're inclined to take the whole machine to a high bridge and drop it off. It's just outrageous that a tiny little slot of a screw can defeat you so totally.
He who always thinks himself as weak will never become strong, but he who knows himself to be a lion, rushes out from the worlds meshes, as a lion from its cage.