It seems that if you start a game and then leave it going for a while in the Unity editor you get flooded with NRE's in the MixerInteractiveHelper:
NullReferenceException: Object reference not set to an instance of an object
MixerInteractiveHelper.Update () (at Assets/MixerInteractive/Source/Scripts/MixerInteractiveHelper.cs:87)
It seems that if you start a game and then leave it going for a while in the Unity editor you get flooded with NRE's in the MixerInteractiveHelper:
NullReferenceException: Object reference not set to an instance of an object MixerInteractiveHelper.Update () (at Assets/MixerInteractive/Source/Scripts/MixerInteractiveHelper.cs:87)