I always love when I defeat an enemy army and they shatter into multiple pieces only to have to chase them in a circle. When I was trying to annex Mutapa with all of those 0 fort provinces I had to chase an army in a circle for almost a year before I finally caught them and killed them. The pop-ups get quite annoying when that happens. "Oh we lost province x." "We gained province x." "we lost province x." and so on.
You are doing it the wrong way, you are supposed to draw it not write it !