[vvvvid] Error in handling unfinished series (still on-air)

[pjammo]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.12.31
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

$ youtube-dl -v --skip-download https://www.vvvvid.it/show/1414/l-attacco-dei-giganti-la-stagione-finale
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--skip-download', 'https://www.vvvvid.it/show/1414/l-attacco-dei-giganti-la-stagione-finale']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2020.12.31
[debug] Proxy map: {}
[VVVVIDShow] Downloading JSON metadata
[VVVVIDShow] l-attacco-dei-giganti-la-stagione-finale: Downloading JSON metadata
[VVVVIDShow] l-attacco-dei-giganti-la-stagione-finale: Downloading JSON metadata
[download] Downloading playlist: L'Attacco dei Giganti - La Stagione Finale
[VVVVIDShow] playlist L'Attacco dei Giganti - La Stagione Finale: Collected 14 video ids (downloading 14 of them)
[download] Downloading video 1 of 14
[VVVVID] Downloading JSON metadata
[VVVVID] 693710: Downloading JSON metadata
[VVVVID] 693710: Downloading m3u8 information
[VVVVID] 693710: Downloading m3u8 information
[debug] Default format spec: bestvideo+bestaudio/best
[download] Downloading video 2 of 14
[VVVVID] 693727: Downloading JSON metadata
[VVVVID] 693727: Downloading m3u8 information
[VVVVID] 693727: Downloading m3u8 information
[debug] Default format spec: bestvideo+bestaudio/best
[download] Downloading video 3 of 14
[VVVVID] 693744: Downloading JSON metadata
[VVVVID] 693744: Downloading m3u8 information
[VVVVID] 693744: Downloading m3u8 information
[debug] Default format spec: bestvideo+bestaudio/best
[download] Downloading video 4 of 14
[VVVVID] 693769: Downloading JSON metadata
[VVVVID] 693769: Downloading m3u8 information
[VVVVID] 693769: Downloading m3u8 information
[debug] Default format spec: bestvideo+bestaudio/best
[download] Downloading video 5 of 14
ERROR: no suitable InfoExtractor for URL https://www.vvvvid.it/show/1414/l-attacco-dei-giganti-la-stagione-finale/1538/-1
  File "__main__.py", line 19, in <module>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\__init__.py", line 474, in main
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\__init__.py", line 464, in _real_main
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 2029, in download
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 796, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 803, in wrapper
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 835, in __extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 1012, in process_ie_result
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 803, in wrapper
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 1045, in __process_iterable_entry
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 876, in process_ie_result
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 798, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 625, in report_error
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpabf7r3hs\build\youtube_dl\YoutubeDL.py", line 587, in trouble

Description

The process stops when an unavailable episode is found.
Thanks for your hard work.