Playlist downloading failed

[Sanix-Darker]

Checklist

• [ ok] I'm reporting a broken site support issue
• [ok ] I've verified that I'm running youtube-dl version 2020.06.16.1
• [ ok] I've checked that all provided URLs are alive and playable in a browser
• [ ok] I've checked that all URLs and arguments with special characters are properly quoted or escaped
• [ ok] I've searched the bugtracker for similar bug reports including closed ones
• [ ok] I've read bugs section in FAQ

Verbose log

root@m:/# sudo youtube-dl -U
youtube-dl is up-to-date (2020.06.16.1)
root@m:/# youtube-dl -v -i PLxhnp_qsD8ENSAazjTbUWbfIA7j0-m5Ww
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '-i', 'PLxhnp_qsD8ENSAazjTbUWbfIA7j0-m5Ww']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.01.17
[debug] Python version 3.7.3 (CPython) - Linux-4.19.0-8-amd64-x86_64-with-debian-10.3
[debug] exe versions: ffmpeg 4.1.4-1, ffprobe 4.1.4-1, phantomjs 1000, rtmpdump 2.4
[debug] Proxy map: {}
[youtube:playlist] PLxhnp_qsD8ENSAazjTbUWbfIA7j0-m5Ww: Downloading webpage
[download] Downloading playlist: OpenClassrooms - Découvrez le framework Django
[youtube:playlist] playlist OpenClassrooms - Découvrez le framework Django: Downloading 26 videos
[download] Downloading video 1 of 26
[youtube] 6qVrrFtc8cE: Downloading webpage
[youtube] 6qVrrFtc8cE: Downloading video info webpage
ERROR: 6qVrrFtc8cE: YouTube said: This video is unavailable.
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/youtube_dl/YoutubeDL.py", line 793, in extract_info
    ie_result = ie.extract(url)
  File "/usr/lib/python3/dist-packages/youtube_dl/extractor/common.py", line 508, in extract
    ie_result = self._real_extract(url)
  File "/usr/lib/python3/dist-packages/youtube_dl/extractor/youtube.py", line 1688, in _real_extract
    expected=True, video_id=video_id)
youtube_dl.utils.ExtractorError: 6qVrrFtc8cE: YouTube said: This video is unavailable.

[download] Downloading video 2 of 26
[youtube] V_p3R1253tw: Downloading webpage
[youtube] V_p3R1253tw: Downloading video info webpage
ERROR: V_p3R1253tw: YouTube said: This video is unavailable.
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/youtube_dl/YoutubeDL.py", line 793, in extract_info
    ie_result = ie.extract(url)
  File "/usr/lib/python3/dist-packages/youtube_dl/extractor/common.py", line 508, in extract
    ie_result = self._real_extract(url)

Description

There is an error when am trying to download a playlist following the appropriate command, the Youtube link is working fine LINK and am on the latest version of youtube-dl, so am wondering what am doing wrong...