HTTP Error 429: Too Many Requests

[linux0085]

when i am trying to download any youtube videos i got HTTP Error 429: Too Many Requests

# youtube-dl --verbose -cit https://www.youtube.com/playlist?list=PL77yNtB4-Ljl9U_28V31gCyWJzz1Z2EBZ
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--verbose', u'-cit', u'https://www.youtube.com/playlist?list=PL77yNtB4-Ljl9U_28V31gCyWJzz1Z2EBZ']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.11.04
[debug] Python version 2.6.6 - Linux-3.10.23-xxxx-std-ipv6-64-x86_64-with-centos-6.5-Final
[debug] exe versions: none
[debug] Proxy map: {}
[youtube:playlist] PL77yNtB4-Ljl9U_28V31gCyWJzz1Z2EBZ: Downloading webpage
ERROR: Unable to download webpage: HTTP Error 429: Too Many Requests (caused by HTTPError()); 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.
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 404, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2001, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib64/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/usr/lib64/python2.6/urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib64/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib64/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/usr/lib64/python2.6/urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
#

[dstftw]

1. https://github.com/rg3/youtube-dl#http-error-429-too-many-requests-or-402-payment-required
2. #5138.