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

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 910, in _extract_signature_function
res = self._parse_sig_js(code)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 973, in _parse_sig_js
initial_function = jsi.extract_function(funcname)

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)ExtractorError: Could not find JS function u'ur'; 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):

 "contribManager.py", line 11, in <module>NameError: name '**file**' is not defined