Failed for flash video from `erlang-factory.com`

[jaseemabid]

Complete log:

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-twci', '--console-title', '--verbose', 'http://www.erlang-factory.com/conference/London2009/speakers/SimonPeytonJones']
[debug] Encodings: locale UTF-8, fs utf-8, out None, pref UTF-8
[debug] youtube-dl version 2014.11.21
[debug] Python version 2.7.6 - Darwin-14.1.0-x86_64-i386-64bit
[debug] exe versions: none
[debug] Proxy map: {}
WARNING: Falling back on generic information extractor.
ERROR: Unsupported URL: http://www.erlang-factory.com/conference/London2009/speakers/SimonPeytonJones; 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):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 609, in _real_extract
    doc = parse_xml(webpage)
  File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1339, in parse_xml
    tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/xml/etree/ElementTree.py", line 1300, in XML
    parser.feed(text)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/xml/etree/ElementTree.py", line 1642, in feed
    self._raiseerror(v)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/xml/etree/ElementTree.py", line 1506, in _raiseerror
    raise err
ParseError: mismatched tag: line 280, column 139
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 536, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 240, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 996, in _real_extract
    raise ExtractorError('Unsupported URL: %s' % url)
ExtractorError: Unsupported URL: http://www.erlang-factory.com/conference/London2009/speakers/SimonPeytonJones; 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.