ERROR: Signature extraction failed: Traceback (most recent call last):

[nasersobhan]

Checklist

• I'm reporting a broken site support issue
• I've verified that I'm running youtube-dl version 2020.01.24
• 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 bug reports including closed ones
• I've read bugs section in FAQ

Verbose log

PASTE VERBOSE LOG HERE

Description

PS C:\Users\Dell\Desktop> youtube-dl https://www.youtube.com/watch?v=jG_Vnc2WtH8 [youtube] jG_Vnc2WtH8: Downloading webpage [youtube] jG_Vnc2WtH8: Downloading video info webpage [youtube] jG_Vnc2WtH8: Downloading js player vflbDJ8ds ERROR: Signature extraction failed: Traceback (most recent call last): File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\extractor\youtube.py", line 1384, in _decrypt_signature video_id, player_url, s File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\extractor\youtube.py", line 1297, in _extract_signature_function cache_res = res(test_string) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\extractor\youtube.py", line 1360, in <lambda> return lambda s: initial_function([s]) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 258, in resf res, abort = self.interpret_statement(stmt, local_vars) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 56, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 92, in interpret_expression m.group('expr'), local_vars, allow_recursion - 1) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 189, in interpret_expression m.group('x'), local_vars, allow_recursion - 1) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 56, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "c:\users\dell\appdata\local\programs\python\python37-32\lib\site-packages\youtube_dl\jsinterp.py", line 211, in interpret_expression raise ExtractorError('Unsupported JS expression %r' % expr) youtube_dl.utils.ExtractorError: Unsupported JS expression '[1999057972,'; 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 ExtractorError("Unsupported JS expression '[1999057972,'; 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.

tech spec `PS C:\Users\Dell\Desktop> youtube-dl -v
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2020.01.15
[debug] Python version 3.7.4 (CPython) - Windows-10-10.0.18362-SP0
[debug] exe versions: none
[debug] Proxy map: {}
Usage: youtube-dl [OPTIONS] URL [URL...]

youtube-dl: error: You must provide at least one URL.
Type youtube-dl --help to see a list of all options.`
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