Unable to extract html5 player and 'cannot identify player'

[theDiverDK]

Got the following error:

youtube-dl https://www.youtube.com/watch?v=x1Y-orYfg1s --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['https://www.youtube.com/watch?v=x1Y-orYfg1s', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.02.11
[debug] Python version 2.7.10 - Darwin-16.4.0-x86_64-i386-64bit
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] x1Y-orYfg1s: Downloading webpage
[youtube] x1Y-orYfg1s: Extracting video information
WARNING: unable to extract html5 player; please report this issue on http://yt-dl.org/bug
[youtube] {22} signature length 41.42, html5 player None
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 635, in _decrypt_signature
video_id, player_url, s
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflQBHHdn/base.js'; 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(u"Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflQBHHdn/base.js'; 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.
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 635, in _decrypt_signature
video_id, player_url, s
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflQBHHdn/base.js'; 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.
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/YoutubeDL.py", line 633, in extract_info
ie_result = ie.extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/common.py", line 270, in extract
return self._real_extract(url)
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 1066, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 645, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 635, in _decrypt_signature
video_id, player_url, s
File "/Library/Python/2.7/site-packages/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflQBHHdn/base.js'; 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(u"Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflQBHHdn/base.js'; 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.

[dstftw]

You are using an outdated version of youtube-dl. Read this FAQ entry if you have troubles updating.