[Pluralsight] Unable to download webpage

[nonsoike]

ydl-pluralsight https://app.pluralsight.com/library/courses/scrum-fundamentals
Downloading CBT ...
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '--username', 'PRIVATE', '--password', 'PRIVATE', '-o', './%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s - %(title)s.%(ext)s', '--min-sleep-interval', '30', '--max-sleep-interval', '60', 'https://app.pluralsight.com/library/courses/scrum-fundamentals', '--playlist-start', '1']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.03.08
[debug] Python version 3.6.9 (CPython) - Linux-4.15.0-88-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6
[debug] Proxy map: {}
[pluralsight:course] scrum-fundamentals: Downloading JSON metadata
[download] Downloading playlist: Scrum Fundamentals
[pluralsight:course] playlist Scrum Fundamentals: Collected 67 video ids (downloading 67 of them)
[download] Downloading video 1 of 67
[pluralsight] Downloading login page
ERROR: Unable to download webpage: HTTP Error 403: Forbidden (caused by <HTTPError 403: 'Forbidden'>); 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.
  File "/home/nonso/.local/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 627, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/home/nonso/.local/lib/python3.6/site-packages/youtube_dl/YoutubeDL.py", line 2238, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python3.6/urllib/request.py", line 532, in open
    response = meth(req, response)
  File "/usr/lib/python3.6/urllib/request.py", line 642, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python3.6/urllib/request.py", line 570, in error
    return self._call_chain(*args)
  File "/usr/lib/python3.6/urllib/request.py", line 504, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.6/urllib/request.py", line 650, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)