shield mod error

2018-07-21 13:37:25.969 - Thread:   1 ->  Exception occured: System.InvalidOperationException: Queue empty.
   at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   at System.Collections.Generic.Queue`1.Dequeue()
   at Cython.EnergyShields.ShieldGeneratorGameLogic.UpdateBeforeSimulation()
   at VRage.Game.Components.MyGameLogicComponent.VRage.Game.Entity.EntityComponents.Interfaces.IMyGameLogicComponent.UpdateBeforeSimulation(Boolean entityUpdate)
   at VRage.Game.Entity.MyGameLogic.<UpdateBeforeSimulation>b__0(MyGameLogicComponent c)
   at VRage.Collections.MyDistributedUpdater`2.Iterate(Action`1 p)
   at VRage.Game.Entity.MyGameLogic.UpdateBeforeSimulation()
   at Sandbox.Game.World.MySector.UpdateBeforeSimulation()
   at Sandbox.Game.World.MySession.UpdateComponents()
   at Sandbox.Game.World.MySession.Update(MyTimeSpan updateTime)
   at Sandbox.MySandboxGame.Update()
   at Sandbox.Engine.Platform.Game.UpdateInternal()
   at Sandbox.Engine.Platform.Game.RunSingleFrame()
   at Sandbox.Engine.Platform.FixedLoop.<>c__DisplayClass1.<Run>b__0()
   at Sandbox.Engine.Platform.GenericLoop.Run(VoidAction tickCallback)
   at Sandbox.Engine.Platform.Game.RunLoop()
   at Sandbox.MySandboxGame.Run(Boolean customRenderLoop, Action disposeSplashScreen)
   at SpaceEngineers.MyProgram.Main(String[] args)