Facebook: RegexNotFoundError: Unable to extract nh

[barsnick]

youtube-dl asks me to report this. This is a video posted to a closed group which I am a member of:

[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Command-line args: ['--verbose', '-u', '<PRIVATE>', '-p', '<PRIVATE>', '-c', '-l', 'https://www.facebook.com/photo.php?v=593377487437207&set=o.670674052996796&type=2&theater']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.04.13
[debug] Python version 2.7.5 - Linux-3.13.9-200.fc20.x86_64-x86_64-with-fedora-20-Heisenbug
[debug] Proxy map: {}
[facebook] Downloading login page
[facebook] Logging in
ERROR: Unable to extract nh; 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 "./youtube-dl/youtube_dl/YoutubeDL.py", line 514, in extract_info
    ie_result = ie.extract(url)
  File "./youtube-dl/youtube_dl/extractor/common.py", line 160, in extract
    self.initialize()
  File "./youtube-dl/youtube_dl/extractor/common.py", line 155, in initialize
    self._real_initialize()
  File "./youtube-dl/youtube_dl/extractor/facebook.py", line 94, in _real_initialize
    self._login()
  File "./youtube-dl/youtube_dl/extractor/facebook.py", line 79, in _login
    'nh': self._search_regex(r'name="nh" value="(\w*?)"', login_results, 'nh'),
  File "./youtube-dl/youtube_dl/extractor/common.py", line 373, in _search_regex
    raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract nh; 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.

[phihag]

Thank you for the report. Facebook logins have been fixed in youtube-dl 2014.04.21.5. Type ./youtube-dl -U to update.