Plex Error in Logs

Wondering if anyone can help me out. I keep getting the same error for the plex component in my logs and I have no idea how to fix.

Error doing job: Future exception was never retrieved
Traceback (most recent call last):
  File "/usr/lib/python3.6/concurrent/futures/thread.py", line 56, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/media_player/plex.py", line 149, in <lambda>
    track_utc_time_change(hass, lambda now: update_devices(), second=30)
  File "/usr/lib/python3.6/site-packages/homeassistant/util/__init__.py", line 319, in wrapper
    result = method(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/homeassistant/util/__init__.py", line 319, in wrapper
    result = method(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/media_player/plex.py", line 189, in update_devices
    update_sessions)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/media_player/plex.py", line 328, in __init__
    self.refresh(device, session)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/media_player/plex.py", line 394, in refresh
    if self._device.machineIdentifier is not None and \
AttributeError: 'NoneType' object has no attribute 'machineIdentifier'

same issue here

have you resolved it?

Same here
any luck resolving it?