Traceback (most recent call last):


 "/opt/app-root/lib/python3.6/site-packages/aiohttp/web_protocol.py", line 418, in start

resp = await task


 "/opt/app-root/lib/python3.6/site-packages/aiohttp/web_app.py", line 458, in _handle

resp = await handler(request)


 "/opt/app-root/lib/python3.6/site-packages/ray/dashboard/dashboard.py", line 264, in raylet_info

result = self.dashboard_controller.get_raylet_info()


 "/opt/app-root/lib/python3.6/site-packages/ray/dashboard/dashboard.py", line 158, in get_raylet_info

return self._construct_raylet_info()


 "/opt/app-root/lib/python3.6/site-packages/ray/dashboard/dashboard.py", line 96, in _construct_raylet_info

workers_info_by_node, infeasible_tasks, ready_tasks)


 "/opt/app-root/lib/python3.6/site-packages/ray/dashboard/node_stats.py", line 162, in get_actors

for worker_info in workers_info:
TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):

 "D:\Tools\Python27\lib\site-packages\fife\extensions\fife_timer.py", line 125, in updateEvent
self._callback()

 "D:\Tools\Python27\lib\site-packages\fife\extensions\pychan\tools.py", line 83, in real_callback
callback(*args,**kwargs)

 "D:\Tools\Python27\lib\site-packages\fife\extensions\pychan\events.py", line 164, in delayed_f
f( event )

 "D:\Tools\Python27\lib\site-packages\fife\extensions\pychan\events.py", line 327, in captured_f
tools.applyOnlySuitable(self_ref().callbacks[group_name][event_name],event=event,widget=self_ref().widget_ref())

 "D:\Tools\Python27\lib\site-packages\fife\extensions\pychan\tools.py", line 60, in applyOnlySuitable
return func(*args,**kwargs)

 "D:\UnknownHorizons\unknown-horizons\horizons\gui\gui.py", line 140, in do_load
did_load = horizons.main.load_game()

 "D:\UnknownHorizons\unknown-horizons\horizons\main.py", line 403, in load_game
trader_enabled=trader_enabled, force_player_id=force_player_id)

 "D:\UnknownHorizons\unknown-horizons\horizons\main.py", line 292, in start_singleplayer
_modules.session.end()

 "D:\UnknownHorizons\unknown-horizons\horizons\session.py", line 224, in end
self.world.end() # must be called before the world ref is gone

 "D:\UnknownHorizons\unknown-horizons\horizons\world\__init__.py", line 92, in end
island.end()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\island.py", line 411, in end
super(Island, self).end()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\buildingowner.py", line 170, in end
self.buildings[-1].remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\building\buildingresourcehandler.py", line 50, in remove
super(BuildingResourceHandler, self).remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\resourcehandler.py", line 88, in remove
super(ResourceHandler, self).remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\building\building.py", line 123, in remove
super(BasicBuilding, self).remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\component\componentholder.py", line 114, in remove
component.remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\world\production\producer.py", line 268, in remove
self.remove_production(production)

 "D:\UnknownHorizons\unknown-horizons\horizons\world\production\producer.py", line 236, in remove_production
production.remove() # production "destructor"

 "D:\UnknownHorizons\unknown-horizons\horizons\world\production\production.py", line 151, in remove
super(Production, self).remove()

 "D:\UnknownHorizons\unknown-horizons\horizons\util\changelistener.py", line 130, in remove
self.__call_listeners(self.__remove_listeners)

 "D:\UnknownHorizons\unknown-horizons\horizons\util\changelistener.py", line 65, in __call_listeners
for listener in listener_list:
TypeError: 'NoneType' object is not iterable```