Traceback (most recent call last):


 "c:\python\lib\site-packages\youtube_dl\YoutubeDL.py", line 792, in extract_info

ie_result = ie.extract(url)


 "c:\python\lib\site-packages\youtube_dl\extractor\common.py", line 503, in extract

ie_result = self._real_extract(url)


 "c:\python\lib\site-packages\youtube_dl\extractor\youtube.py", line 1701, in _real_extract

raise ExtractorError('Unable to extract uploader name')
youtube_dl.utils.ExtractorError: Unable to extract uploader 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.

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


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1380, in _decrypt_signature

video_id, player_url, s


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1293, in _extract_signature_function

cache_res = res(test_string)


 "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1356, in <lambda>

return lambda s: initial_function([s])


 "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 258, in resf

res, abort = self.interpret_statement(stmt, local_vars)


 "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement

v = self.interpret_expression(expr, local_vars, allow_recursion)


 "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 92, in interpret_expression

m.group('expr'), local_vars, allow_recursion - 1)


 "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 189, in interpret_expression

m.group('x'), local_vars, allow_recursion - 1)


 "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement

v = self.interpret_expression(expr, local_vars, allow_recursion)


 "/usr/lib/python3.7/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.
