Unauthorized https://www.udemy.com/ios-11-app-development-bootcamp/learn/v4/t/lecture/7555880?start=0 and And I actually bought the course

[MostafaAbouHamad]

# I actually bought the course

[debug] Encodings: locale cp1256, fs utf-8, out utf-8, pref cp1256
[debug] youtube-dl version 2018.02.11
[debug] Python version 3.6.3 (CPython) - Windows-10-10.0.16299-SP0
[debug] exe versions: none
[debug] Proxy map: {}
[udemy:course] Downloading login popup
ERROR: Unable to download webpage: HTTP Error 403: Unauthorized (caused by <HTTPError 403: 'Unauthorized'>); please report this issue on https://yt-dl.org/bug . Make sure you are 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:\program files (x86)\python36-32\lib\site-packages\youtube_dl\extractor\common.py", line 519, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\YoutubeDL.py", line 2199, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 532, in open
response = meth(req, response)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 642, in http_response
'http', request, response, code, msg, hdrs)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 570, in error
return self._call_chain(*args)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 504, in _call_chain
result = func(*args)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 650, in http_error_default
raise HTTPError(req.full_url, code, msg, hdrs, fp)