Quote Originally Posted by QuintusSertorius
Strangely enough, it never seems to have problems with the AI getting more than 20 units, but I never get them. Last battle I fought was against 30-something AI units.
Actually, if you let the AI control your reinforcements that is not an issue either. It simply has to do with the interface limitations. And that means you can control 20 units max. If you let the AI control your reinforcements, they do show up.