2019-02-17 17:06:55.789: EscapeFromMars error: System.NullReferenceException: Object reference not set to an instance of an object.
   at EscapeFromMars.NetworkComms.SendMessageToAllClients(Message message)
   at EscapeFromMars.NetworkComms.QueueAudioMessageOnAllClients(IAudioClip audioClip)
   at Duckroll.QueuedAudioSystem.PlayAudio(IAudioClip clip)
   at Duckroll.QueuedAudioSystem.PlayAudioRandomChance(Double probability, IAudioClip audioClip)
   at EscapeFromMars.Convoy.Update()
   at EscapeFromMars.NpcGroupManager.UpdateGroups()
   at EscapeFromMars.NpcGroupManager.Update60()
   at Duckroll.AbstractCore`1.UpdateableListImpl.Update60()
   at Duckroll.AbstractCore`1.UpdateBeforeSimulation()