Not able to download videos from Udemy anymore

[dantux]

I am trying (from several machines to download my new Udemy course I just purchased.
I get the following output:

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'-u', u'PRIVATE', u'-pblahblah', u'-o', u'%(autonumber)s-%(title)s.%(ext)s', u'https://www.udemy.com/docker-mastery/learn/v4/overview']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.12.17
[debug] Python version 2.7.12 (CPython) - Linux-3.4.113-sun8i-armv7l-with-Ubuntu-16.04-xenial
[debug] exe versions: none
[debug] Proxy map: {}
[udemy:course] Downloading login popup
ERROR: Unable to download webpage: HTTP Error 403: Unauthorized (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 605, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2212, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python2.7/urllib2.py", line 435, in open
    response = meth(req, response)
  File "/usr/lib/python2.7/urllib2.py", line 548, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.7/urllib2.py", line 473, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 556, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)

...
<end of log>

I updated youtube-dl to the latest as you can see in the output log. Any ideas?

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