Unsupported JS expression

[Theo1996]

Checklist

• [x ] I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.03.24
• [x ] I've checked that all provided URLs are alive and playable in a browser
• [x ] 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] iBoojBTEPaI: Downloading webpage
[youtube] iBoojBTEPaI: Downloading video info webpage
[youtube] iBoojBTEPaI: Downloading js player vfl6MUxK7
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1360, in <lambda>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 258, in resf
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 92, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 189, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 211, in interpret_expression
youtube_dl.utils.ExtractorError: Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by ExtractorError("Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

E:\Desktop>youtube-dl https://www.youtube.com/watch?v=iBoojBTEPaI --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['https://www.youtube.com/watch?v=iBoojBTEPaI', '--verbose']
[debug] Encodings: locale cp932, fs mbcs, out cp932, pref cp932
[debug] youtube-dl version 2020.01.15
[debug] Python version 3.4.4 (CPython) - Windows-7-6.1.7601-SP1
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] iBoojBTEPaI: Downloading webpage
[youtube] iBoojBTEPaI: Downloading video info webpage
[youtube] {18} signature length 108, html5 player vfl6MUxK7
[youtube] iBoojBTEPaI: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vfl6MUxK7/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1360, in <lambda>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 258, in resf
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 92, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 189, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 211, in interpret_expression
youtube_dl.utils.ExtractorError: Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by ExtractorError("Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1360, in <lambda>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 258, in resf
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 92, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 189, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 211, in interpret_expression
youtube_dl.utils.ExtractorError: Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1360, in <lambda>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 258, in resf
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 92, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 189, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 211, in interpret_expression
youtube_dl.utils.ExtractorError: Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\YoutubeDL.py", line 796, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\common.py", line 530, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 2047, in _real_extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1394, in _decrypt_signature
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\extractor\youtube.py", line 1360, in <lambda>
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 258, in resf
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 92, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 189, in interpret_expression
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 56, in interpret_statement
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp43n_zyg3\build\youtube_dl\jsinterp.py", line 211, in interpret_expression
youtube_dl.utils.ExtractorError: Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by ExtractorError("Unsupported JS expression '[null,'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Description

Download a youtube video doesnt work https://www.youtube.com/watch?v=iBoojBTEPaI