TypeError: None object cannot be quoted

[djdembeck]

2021-10-05 10:22:30,411 (15225a8b1b38) :  DEBUG (networking:143) - Requesting 'http://127.0.0.1:32400/library/metadata/642932/tree'
2021-10-05 10:22:30,432 (15225a78fb38) :  DEBUG (model:32) - Loading model with GUID com.plexapp.agents.audnexus://B00BHU47C4?lang=en
2021-10-05 10:22:30,434 (15225a78fb38) :  DEBUG (model:234) - Deserializing from /config/Library/Application Support/Plex Media Server/Metadata/Artists/2/adbe34015986de88c1a861f98130838a3498490.bundle/Contents/com.plexapp.agents.audnexus/Info.xml
2021-10-05 10:22:30,441 (15225a8b1b38) :  CRITICAL (agentkit:1018) - Exception in the search function of agent named 'Audnexus Agent', called with keyword arguments {'album': "The Gentleman's Guide to Vice and Virtue", 'index': '1', 'openSubtitlesHash': 'ff89d343351bbab6', 'name': "The Gentleman's Guide to Vice and Virtue", 'artist': '[Unknown Artist]', 'title': None, 'filename': '%2Fdata%2Fmusic%2FAudiobooks%2FMackenzi%20Lee%2FThe%20Gentleman%27s%20Guide%20to%20Vice%20and%20Virtue%2FThe%20Gentleman%27s%20Guide%20to%20Vice%20and%20Virtue%2Em4b', 'plexHash': '012f52f9c7e35119957f4cb32454b275256da243', 'duration': '38845915', 'id': '642932'} (most recent call last):
  File "/usr/lib/plexmediaserver/Resources/Plug-ins-e362dc1ee/Framework.bundle/Contents/Resources/Versions/2/Python/Framework/api/agentkit.py", line 1011, in _search
    agent.search(*f_args, **f_kwargs)
  File "/config/Library/Application Support/Plex Media Server/Plug-ins/Audnexus.bundle/Contents/Code/__init__.py", line 68, in search
    result = self.call_search_api(search_helper)
  File "/config/Library/Application Support/Plex Media Server/Plug-ins/Audnexus.bundle/Contents/Code/__init__.py", line 168, in call_search_api
    search_url = helper.build_url()
  File "/config/Library/Application Support/Plex Media Server/Plug-ins/Audnexus.bundle/Contents/Code/search_tools.py", line 187, in build_url
    artist_param = '?name=' + urllib.quote(self.media.artist)
  File "/usr/lib/plexmediaserver/Resources/Plug-ins-e362dc1ee/Framework.bundle/Contents/Resources/Versions/2/Python/Framework/utils.py", line 54, in quote
    return _urllib_quote(unistr(s), *args, **kwargs)
  File "/usr/lib/plexmediaserver/Resources/Python/python27.zip/urllib.py", line 1287, in quote
    raise TypeError('None object cannot be quoted')
TypeError: None object cannot be quoted