[SUGMA] crash on tdm respawn related to parallel tasks

[InvalidArgument3]

19:21:05.5419 [INFO]   Chat: [Global:0] Good.bot: Autobalance completed.
19:22:53.5840 [INFO]   Torch.Commands.CommandManager: Server ran command '!restart cancel'
19:23:05.6286 [INFO]   Essentials: Cleanup deleted 0 grids matching conditions nopower, playerdistancegreaterthan, 150
19:23:05.6286 [INFO]   Torch.Commands.CommandManager: Server ran command '!cleanup delete nopower playerdistancegreaterthan 150'
19:26:16.8180 [FATAL]  Initializer: ParallelTasks.TaskException: An exception(s) was thrown while executing a task.
   at ParallelTasks.WorkItem.ThrowExceptionsInternal(Int32 runId)
   at ParallelTasks.Task.WaitOrExecute(Boolean blocking)
   at ParallelTasks.Parallel.ForEach[T](IEnumerable`1 collection, Action`1 action, WorkPriority priority, Nullable`1 options, Boolean blocking)
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.PerformParallelUpdate(Action`1 updateFunction)
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.DispatchAfterSimulation()
   at Sandbox.Game.Entities.MyEntities.UpdateAfterSimulation()
   at Sandbox.Game.World.MySector.UpdateAfterSimulation()
   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__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 Torch.VRageGame.DoStart() in C:\ProgramData\Jenkins\.jenkins\workspace\Torch_master\Torch\VRageGame.cs:line 326
   at Torch.VRageGame.Run() in C:\ProgramData\Jenkins\.jenkins\workspace\Torch_master\Torch\VRageGame.cs:line 126
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()
Task exception, inner exception 0:
System.NullReferenceException: Object reference not set to an instance of an object.
   at Sandbox.Game.Entities.Cube.MyCubeBlockCollector.CollectBlock(MySlimBlock block, MyPhysicsOption physicsOption, IDictionary`2 massResults, Boolean allowSegmentation)
   at Sandbox.Game.Entities.Cube.MyCubeBlockCollector.CollectArea(MyCubeGrid grid, HashSet`1 dirtyBlocks, MyVoxelSegmentation segmenter, MyVoxelSegmentationType segmentationType, IDictionary`2 massResults)
   at Sandbox.Game.Entities.Cube.MyGridShape.UpdateDirtyBlocks(HashSet`1 dirtyCubes, Boolean recreateShape)
   at Sandbox.Game.Entities.Cube.MyGridShape.RefreshBlocks(HkRigidBody rigidBody, HashSet`1 dirtyBlocks)
   at Sandbox.Game.Entities.Cube.MyGridPhysics.UpdateShape()
   at Sandbox.Game.Entities.MyCubeGrid.Dispatch(UpdateQueue queue, Boolean parallel)
   at Sandbox.Game.Entities.MyCubeGrid.UpdateAfterSimulationParallel()
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.ParallelUpdateHandlerAfterSimulation(IMyParallelUpdateable entity)
   at ParallelTasks.ForEachLoopWork`1.DoWork(WorkData workData)
   at ParallelTasks.WorkItem.DoWork(Int32 expectedID)

ParallelTasks.TaskException: An exception(s) was thrown while executing a task.
   at ParallelTasks.WorkItem.ThrowExceptionsInternal(Int32 runId)
   at ParallelTasks.Task.WaitOrExecute(Boolean blocking)
   at ParallelTasks.Parallel.ForEach[T](IEnumerable`1 collection, Action`1 action, WorkPriority priority, Nullable`1 options, Boolean blocking)
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.PerformParallelUpdate(Action`1 updateFunction)
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.DispatchAfterSimulation()
   at Sandbox.Game.Entities.MyEntities.UpdateAfterSimulation()
   at Sandbox.Game.World.MySector.UpdateAfterSimulation()
   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__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 Torch.VRageGame.DoStart() in C:\ProgramData\Jenkins\.jenkins\workspace\Torch_master\Torch\VRageGame.cs:line 326
   at Torch.VRageGame.Run() in C:\ProgramData\Jenkins\.jenkins\workspace\Torch_master\Torch\VRageGame.cs:line 126
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()
Task exception, inner exception 0:
System.NullReferenceException: Object reference not set to an instance of an object.
   at Sandbox.Game.Entities.Cube.MyCubeBlockCollector.CollectBlock(MySlimBlock block, MyPhysicsOption physicsOption, IDictionary`2 massResults, Boolean allowSegmentation)
   at Sandbox.Game.Entities.Cube.MyCubeBlockCollector.CollectArea(MyCubeGrid grid, HashSet`1 dirtyBlocks, MyVoxelSegmentation segmenter, MyVoxelSegmentationType segmentationType, IDictionary`2 massResults)
   at Sandbox.Game.Entities.Cube.MyGridShape.UpdateDirtyBlocks(HashSet`1 dirtyCubes, Boolean recreateShape)
   at Sandbox.Game.Entities.Cube.MyGridShape.RefreshBlocks(HkRigidBody rigidBody, HashSet`1 dirtyBlocks)
   at Sandbox.Game.Entities.Cube.MyGridPhysics.UpdateShape()
   at Sandbox.Game.Entities.MyCubeGrid.Dispatch(UpdateQueue queue, Boolean parallel)
   at Sandbox.Game.Entities.MyCubeGrid.UpdateAfterSimulationParallel()
   at Sandbox.Game.Entities.MyParallelEntityUpdateOrchestrator.ParallelUpdateHandlerAfterSimulation(IMyParallelUpdateable entity)
   at ParallelTasks.ForEachLoopWork`1.DoWork(WorkData workData)
   at ParallelTasks.WorkItem.DoWork(Int32 expectedID)