ERROR: Unable to download webpage: HTTP Error 404: Not Found

[a-l-e-x-d-s-9]

youtube-dl --max-quality -t --match-title "NihongoShiki._" -s --verbose "https://www.youtube.com/user/kawaiijuts"
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--max-quality', '-t', '--match-title', 'NihongoShiki.*', '-s', '--verbose', 'https://www.youtube.com/user/kawaiijuts']
[debug] youtube-dl version 2013.08.29
[debug] Python version 2.7.5+ - Linux-3.11.0-15-generic-x86_64-with-Ubuntu-13.10-saucy
[debug] Proxy map: {}
[youtube:user] kawaiijuts: Downloading video ids from 1 to 51
ERROR: Unable to download webpage: HTTP Error 404: Not Found; 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/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 133, in _request_webpage
return compat_urllib_request.urlopen(url_or_request)
File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 410, in open
response = meth(req, response)
File "/usr/lib/python2.7/urllib2.py", line 523, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/lib/python2.7/urllib2.py", line 448, in error
return self._call_chain(_args)
File "/usr/lib/python2.7/urllib2.py", line 382, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 531, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)

[jaimeMF]

At least in my case, I get This channel does not exist. if I try to open the page in the browser.

[phihag]

Yup, from here too. Maybe there is a typo in the channel URL ?