Could not find JS function 'ur'

[urkubox]

##Hello,

I found this bug trying to download: https://www.youtube.com/watch?v=j3pUqCwiLbs

Here's the verbose output:

$ youtube-dl --verbose https://www.youtube.com/watch?v=j3pUqCwiLbs
[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=j3pUqCwiLbs']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.06.03
[debug] Python version 3.4.3 - Linux-4.5.7-200.fc23.x86_64-x86_64-with-fedora-23-Twenty_Three
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] j3pUqCwiLbs: Downloading webpage
[youtube] j3pUqCwiLbs: Downloading video info webpage
[youtube] j3pUqCwiLbs: Extracting video information
[youtube] {22} signature length 40.40, html5 player en_US-vflLyLvKU
[youtube] j3pUqCwiLbs: Downloading player https://s.ytimg.com/yts/jsbin/player-en_US-vflLyLvKU/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 910, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 973, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'ur'; 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("Could not find JS function 'ur'; 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 "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 910, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 973, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'ur'; 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 "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 910, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 973, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'ur'; 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.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/YoutubeDL.py", line 676, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/common.py", line 341, in extract
return self._real_extract(url)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 1568, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 1005, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 910, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 973, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'ur'; 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("Could not find JS function 'ur'; 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.

Thanks

[dstftw]

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

[urkubox]

Thanks,

Solved it.
The older version was installed today so I think it's outdated in Fedora repositories.

Regards.

[urkubox]

Oh, it's yesterdays version!!!
Thanks