Complex sentence: If need be, Zen could be overridden on certain functions, however because "Liberator" was such a complex ship, without Zen's precise balance, the ship could easily go out of control.
Split into simpler sentences: If need be, Zen could be overridden on certain functions. However, because "Liberator" was such a complex ship, without Zen's precise balance, the ship could easily go out of control.