I've had a problem twice where my army was totally uncontrollable. They just wouldn't respond. This was just in the initial part of the match before armies collided but I couldn't even rotate my archers to get them to fire head on into enemy formation. Anyway it was still in skirmish mode and it was the only 2 times I've quit a match. Both happened before patch and as rare as it was I haven't had it repeated yet.