Complex sentence: Busse ordered von Luck to stay near Baruth but discontinue the attack when informed of this, however von Luck disobeyed the order and disbanded his battle group, allowing soldiers to try to attempt a breakout individually.
Split into simpler sentences: Busse ordered von Luck to stay near Baruth, but discontinue the attack when informed of this. However, von Luck disobeyed the order and disbanded his battle group, allowing soldiers to try to attempt to breakout individually.