Failed to run a 3.00 timer in 'MiniCopterOptions v2.0.5' (NullReferenceException: )
  at (wrapper managed-to-native) UnityEngine.Component.get_transform(UnityEngine.Component)
  at Oxide.Plugins.MiniCopterOptions+<AddSearchLight>c__AnonStorey0.<>m__0 () [0x00000] in <14518e9b8213481d882f087f9f8e5470>:0
  at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in <ec05e0208c9149bba43236ca58fea105>:0

I have noticed NREs like this when spawning and then destroying a mini within 3 seconds, since the timer callback doesn't check if the mini was destroyed. Simply adding a null check to the beginning of the timer callback will suffice.