Got a crash. checked the log and this is what killed my game

2019-09-17 04:32:26.011 - Thread: 1 -> Exception occured: System.ArgumentOutOfRangeException: Index and length must refer to a location within the string.
Parameter name: length
at System.String.Substring(Int32 startIndex, Int32 length)
at Klime.ShowStations.ShowStations.EntitiesOnOnEntityAdd(IMyEntity obj)
at System.Action`1.Invoke(T obj)
at Sandbox.Game.Entities.MyEntities.RaiseEntityAdd(MyEntity entity)
at Sandbox.Game.Entities.MyEntities.Add(MyEntity entity, Boolean insertIntoScene)
at Sandbox.Game.World.MyPrefabManager.CreateGridsData.OnGridsCreated(WorkData workData)
at ParallelTasks.Parallel.RunCallbacks()
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__DisplayClass11_0.<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)