youtube-dl: Udemy.com HTTP Error 403: Forbidden (caused by )

Checklist

• I’m reporting a broken site support
• I’ve verified that I’m running youtube-dl version 2019.09.28
• I’ve checked that all provided URLs are alive and playable in a browser
• I’ve checked that all URLs and arguments with special characters are properly quoted or escaped
• I’ve searched the bugtracker for similar issues including closed ones

Verbose log

 C:\udemy-downloaded>youtube-dl -v -u xxx@gmail.com -p xxx --cookies C:\udemy-downloaded\udemy-cookies.txt -o "C:\udemy-downloaded\%(
playlist)s/%(chapter_number)s-%(chapter)s/%(playlist_index)s.%(title)s.%(ext)s" https://www.udemy.com/course/academic-ielts-writing-task-1 
s
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '-u', 'PRIVATE', '-p', 'PRIVATE', '--cookies', 'C:\\udemy-downloaded\\udemy-cookies.txt', '-o', 'C:\\udemy-downloaded\\%(pl
aylist)s/%(chapter_number)s-%(chapter)s/%(playlist_index)s.%(title)s.%(ext)s', 'https://www.udemy.com/course/academic-ielts-writing-task-1', '--convert-subs', 'vtt']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2019.09.28
[debug] Python version 3.7.4 (CPython) - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg N-93640-ga087764847, ffprobe N-93640-ga087764847
[debug] Proxy map: {}
[udemy:course] Downloading login popup
[udemy:course] course: Downloading webpage
[udemy:course] 2205064: Downloading course curriculum
[download] Downloading playlist: 2205064
[udemy:course] playlist 2205064: Collected 43 video ids (downloading 43 of them)
[download] Downloading video 1 of 43
[udemy] Downloading login popup
[udemy] 13580764: Downloading webpage
[udemy] 13580764: Downloading lecture JSON
[udemy] 13580764: Downloading lecture JSON
ERROR: Unable to download JSON metadata: HTTP Error 403: Forbidden (caused by <HTTPError 403: 'Forbidden'>); please report this issue on https://yt-dl.org/bug . Make sure you ar
e using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
  File "c:\python37\lib\site-packages\youtube_dl\extractor\common.py", line 627, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "c:\python37\lib\site-packages\youtube_dl\YoutubeDL.py", line 2237, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "c:\python37\lib\urllib\request.py", line 531, in open
    response = meth(req, response)
  File "c:\python37\lib\urllib\request.py", line 641, in http_response
    'http', request, response, code, msg, hdrs)
  File "c:\python37\lib\urllib\request.py", line 569, in error
    return self._call_chain(*args)
  File "c:\python37\lib\urllib\request.py", line 503, in _call_chain
    result = func(*args)
  File "c:\python37\lib\urllib\request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)```


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