HTTP Error 400: Bad Request

[msliczniak]

$ youtube-dl --verbose -- 'http://www.youtube.com/attribution_link?u=/watch?v%3DOE8CefgHyzY%26feature%3Dshare&a=_VFq6GDAbPjz8Vx2UHl_XQ'
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', '--', 'http://www.youtube.com/attribution_link?u=/watch?v%3DOE8CefgHyzY%26feature%3Dshare&a=_VFq6GDAbPjz8Vx2UHl_XQ']
[debug] youtube-dl version 2013.10.07
[debug] Python version 2.7.3 - FreeBSD-8.3-RELEASE-p11-i386-32bit-ELF
[debug] Proxy map: {}
[youtube:user] attribution_link: Downloading video ids from 1 to 51
ERROR: Unable to download webpage: HTTP Error 400: Bad Request; 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.
File "/usr/home/mzs/bin/youtube-dl-bin.py/youtube_dl/extractor/common.py", line 147, in _request_webpage
return compat_urllib_request.urlopen(url_or_request)
File "/usr/local/lib/python2.7/urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "/usr/local/lib/python2.7/urllib2.py", line 406, in open
response = meth(req, response)
File "/usr/local/lib/python2.7/urllib2.py", line 519, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/local/lib/python2.7/urllib2.py", line 444, in error
return self._call_chain(_args)
File "/usr/local/lib/python2.7/urllib2.py", line 378, in _call_chain
result = func(_args)
File "/usr/local/lib/python2.7/urllib2.py", line 527, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)

[phihag]

Thanks for the report. This has been fixed in youtube-dl 2013.10.09. Type

sudo youtube-dl -U

to update.