NullReferenceException at (wrapper managed-to-native) UnityEngine.Component.get_gameObject(UnityEngine.Component) at SpawnGroup.Clear () [0x0001d] in <de79ae7cf8d4472990e822a6b32a19ef>:0 at PuzzleReset.DoReset () [0x00119] in <de79ae7cf8d4472990e822a6b32a19ef>:0 at PuzzleReset.ResetTick () [0x00034] in <de79ae7cf8d4472990e822a6b32a19ef>:0 at InvokeHandlerBase1[T].DoTick () [0x00109] in <1b459c780d774bb89795a7408b99caf6>:0 at InvokeHandlerBase1[T].LateUpdate () [0x0000c] in <1b459c780d774bb89795a7408b99caf6>:0

Thinking that has something to do with the puzzle loot.  Spams red about 15 times then stops for a while, then does it again.