ERROR: Forcing subtitles : CRITICAL (agentkit:1078) - Exception in the update function of agent named 'Sub-Zero Subtitles (TV, 2.6.1.2774 DEV)'

[ajkis]

Version: 2.6.1.2774 DEV

Applying mods: ['remove_tags', 'OCR_fixes', 'common', 'fix_uppercase'] to <Addic7edSubtitle u'http://www.addic7ed.com/updated/1/109932/6' [en]>
2018-09-27 19:08:32,830 (7fc03acbe700) :  INFO (logger:30) - subliminal_patch.subtitle: Applying mods: ['remove_tags', 'OCR_fixes', 'common', 'fix_uppercase']
2018-09-27 19:08:34,685 (7fc03acbe700) :  INFO (datakit:131) - Saved the dictionary file
2018-09-27 19:08:34,688 (7fc03acbe700) :  CRITICAL (agentkit:1078) - Exception in the update function of agent named 'Sub-Zero Subtitles (TV, 2.6.1.2774 DEV)', called with guid 'com.plexapp.agents.thetvdb://305687/1/2?lang=en' (most recent call last):
  File "/usr/lib/plexmediaserver/Resources/Plug-ins-10d48da0d/Framework.bundle/Contents/Resources/Versions/2/Python/Framework/api/agentkit.py", line 1076, in _update
    agent.update(obj, media, lang, **kwargs)
  File "/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Plug-ins/Sub-Zero.bundle/Contents/Code/__init__.py", line 291, in update
    item_title = get_title_for_video_metadata(video.plexapi_metadata["item"], add_section_title=False)
  File "/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Plug-ins/Sub-Zero.bundle/Contents/Code/support/helpers.py", line 179, in get_title_for_video_metadata
    add_title = (add_episode_title and metadata["series_id"]) or not metadata["series_id"]
  File "/usr/lib/plexmediaserver/Resources/Plug-ins-10d48da0d/Framework.bundle/Contents/Resources/Versions/2/Python/Framework/code/sandbox.py", line 108, in <lambda>
    _getitem_           = lambda x, y: x.__getitem__(y),
  File "/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Plug-ins/Sub-Zero.bundle/Contents/Libraries/Shared/plex/interfaces/core/base.py", line 56, in __getitem__
    raise ValueError('Unknown action "%s" on %s', name, self)
ValueError: ('Unknown action "%s" on %s', 'series_id', <plex.objects.library.metadata.episode.Episode object at 0x7fc061e8e590>)