Failed to download the contents of a playlist

[hThoreau]

$ youtube-dl 'https://www.youtube.com/watch?v=KCFHHtC9Dws&list=PL09mJ1TaPPuUDAhaD_REGknb2xvTAEtW1' --verbose 2>&1 | xclip -selection "clipboard"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['https://www.youtube.com/watch?v=KCFHHtC9Dws&list=PL09mJ1TaPPuUDAhaD_REGknb2xvTAEtW1', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.04.30
[debug] Python version 3.7.3 (CPython) - Linux-5.1.0-parrot1-3t-amd64-x86_64-with-Parrot-4.7-stable
[debug] exe versions: ffmpeg 4.1.3-1, ffprobe 4.1.3-1, phantomjs 09, rtmpdump 2.4
[debug] Proxy map: {}
[youtube:playlist] Downloading playlist PL09mJ1TaPPuUDAhaD_REGknb2xvTAEtW1 - add --no-playlist to just download video KCFHHtC9Dws
[youtube:playlist] PL09mJ1TaPPuUDAhaD_REGknb2xvTAEtW1: Downloading webpage
[download] Downloading playlist: The Vietnam War - Trent Reznor & Atticus Ross
[youtube:playlist] playlist The Vietnam War - Trent Reznor & Atticus Ross: Downloading 17 videos
[download] Downloading video 1 of 17
[youtube] KCFHHtC9Dws: Downloading webpage
[youtube] KCFHHtC9Dws: Downloading video info webpage
[youtube] {18} signature length 109, html5 player vflojvMjn
[youtube] KCFHHtC9Dws: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflojvMjn/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1326, in _decrypt_signature
    video_id, player_url, s
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1234, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1298, in _parse_sig_js
    jscode, 'Initial JS player signature function name', group='sig')
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 1004, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.')); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1326, in _decrypt_signature
    video_id, player_url, s
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1234, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1298, in _parse_sig_js
    jscode, 'Initial JS player signature function name', group='sig')
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 1004, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1326, in _decrypt_signature
    video_id, player_url, s
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1234, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1298, in _parse_sig_js
    jscode, 'Initial JS player signature function name', group='sig')
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 1004, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 529, in extract
    ie_result = self._real_extract(url)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1973, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1336, in _decrypt_signature
    'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1326, in _decrypt_signature
    video_id, player_url, s
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1234, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1298, in _parse_sig_js
    jscode, 'Initial JS player signature function name', group='sig')
  File "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 1004, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.')); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Hello there, I falied to download the contets of a playlist. Thus, I'm reporting this bug as requested. I searched around for duplicates, but was only able to find one incomplete description of this here.

Thank you for your support, I'll be at your disposal.