ERROR: Unable to download JSON metadata

[prasenjit-chatterjee]

ERROR: Unable to download JSON metadata: HTTP Error 403: Forbidden (caused by HTTPError());
I am trying to download videos from udemy and this happens.

[prasenjit-chatterjee]

Output with verbose flag
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\extractor\common.py", line 627, in _request_webpage
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\YoutubeDL.py", line 2237, in urlopen
File "C:\Python\Python34\lib\urllib\request.py", line 470, in open
File "C:\Python\Python34\lib\urllib\request.py", line 580, in http_response
File "C:\Python\Python34\lib\urllib\request.py", line 508, in error
File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
File "C:\Python\Python34\lib\urllib\request.py", line 588, in http_error_default