[youtube] error while retrieving matching titles from subscriptions

[sdsucks]

F:>youtube-dl -v -w -c -i -e --youtube-include-dash-manifest -u username -p password --m
atch-title "(?=.*blahblah)" http://www.youtube.com/feed/subscriptions
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-w', '-c', '-i', '-e', '--youtube-include-dash-manifest', '-u', '
', '-p', '', '--match-title', '(?=.*blahblah)', 'http://www.youtube.com/feed/subscri
ptions']
[debug] Encodings: locale cp949, fs mbcs, out cp949, pref cp949
[debug] youtube-dl version 2014.07.20
[debug] Python version 2.7.5 - Windows-7-6.1.7601-SP1
[debug] Proxy map: {}
ERROR: Unable to download JSON metadata: HTTP Error 400: Bad Request; please report this issue on ht
tps://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete ou
tput. Make sure you are using the latest version; type youtube-dl -U to update.
File "youtube_dl\extractor\common.pyo", line 201, in _request_webpage
File "youtube_dl\YoutubeDL.pyo", line 1227, in urlopen
File "urllib2.pyo", line 410, in open
File "urllib2.pyo", line 523, in http_response
File "urllib2.pyo", line 448, in error
File "urllib2.pyo", line 382, in _call_chain
File "urllib2.pyo", line 531, in http_error_default

[jaimeMF]

Duplicate of #2975.