System.InvalidOperationException occurred
  HResult=-2146233079
  Message=Нельзя перевести задачу из состояния Suspended в состояние Suspending.
  Source=StockSharp.Algo
  StackTrace:
       at StockSharp.Algo.Testing.HistoryEmulationConnector.set_State(EmulationStates value) in C:\StockSharp\StockSharp (GitHub)\Algo\Testing\HistoryEmulationConnector.cs:line 303
  InnerException: