Unable to extract Initial JS player signature function name

[radx37]

I have the newest version and I am not able to download most videos.

youtube-dl --verbose https://www.youtube.com/watch?v=3SR2PIs2s6Y
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=3SR2PIs2s6Y']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.11.02.1-gentoo_no_offensive_sites
[debug] Python version 2.7.9 - Linux-3.16.5-gentoo-x86_64-Intel-R-Core-TM-2_Duo_CPU_T5250@_1.50GHz-with-gentoo-2.2
[debug] exe versions: avconv 9.17, avprobe 9.17
[debug] Proxy map: {}
[youtube] Confirming age
[youtube] 3SR2PIs2s6Y: Downloading webpage
[youtube] 3SR2PIs2s6Y: Downloading video info webpage
[youtube] 3SR2PIs2s6Y: Extracting video information
[youtube] 3SR2PIs2s6Y: Encrypted signatures detected.
[youtube] {43} signature length 40.41, html5 player en_US-vflw4H1P-
[youtube] 3SR2PIs2s6Y: Downloading js player vflw4H1P-
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 539, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 453, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 514, in _parse_sig_js
'Initial JS player signature function name')
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 432, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
(caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player signature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.',)); please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 539, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 453, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 514, in _parse_sig_js
'Initial JS player signature function name')
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 432, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/YoutubeDL.py", line 533, in extract_info
ie_result = ie.extract(url)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 198, in extract
return self._real_extract(url)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 934, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 549, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 539, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 453, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 514, in _parse_sig_js
'Initial JS player signature function name')
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 432, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
(caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player signature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.',)); please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

[dstftw]

You are using an outdated version of youtube-dl, the latest version is 2014.12.17.2 and not 2014.11.02.1. Refer to our FAQ if you have trouble updating.