Task exception was never retrieved
future: <Task finished coro=<Handler.notify() done, defined at /usr/local/lib/python3.7/site-packages/aiogram/dispatcher/handler.py:85> exception=AttributeError("'NoneType' object has no attribute 'conf'")>
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/aiogram/dispatcher/handler.py", line 101, in notify
await self.dispatcher.middleware.trigger(f"pre_process_{self.middleware_key}", args + (data,))
File "/usr/local/lib/python3.7/site-packages/aiogram/dispatcher/middlewares.py", line 50, in trigger
await app.trigger(action, args)
File "/usr/local/lib/python3.7/site-packages/aiogram/dispatcher/middlewares.py", line 103, in trigger
await handler(*args)
File "/usr/local/lib/python3.7/site-packages/aiogram/contrib/middlewares/logging.py", line 145, in on_pre_process_error
timeout = self.check_timeout(update)
File "/usr/local/lib/python3.7/site-packages/aiogram/contrib/middlewares/logging.py", line 21, in check_timeout
start = obj.conf.get('_start', None)
AttributeError: 'NoneType' object has no attribute 'conf'