Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 660, in extract_info
ie_result = ie.extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 290, in extract
return self._real_extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/beeg.py", line 31, in _real_extract
r'(?s)var\s+qualityArr\s_=\s_{\s_(.+?)\s_}', webpage, 'quality formats')

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 584, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)RegexNotFoundError: Unable to extract quality formats; 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):

 "/Library/Python/2.7/site-packages/youtube_dl/YoutubeDL.py", line 592, in extract_info
ie_result = ie.extract(url)

 "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 245, in extract
return self._real_extract(url)

 "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 1280, in _real_extract
channel_page, 'list')

 "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 501, in _html_search_regex
res = self._search_regex(pattern, string, name, default, fatal, flags, group)

 "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 491, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)RegexNotFoundError: Unable to extract list; 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.