Unable to Login Error Coming for Udemy

[lakshyajayant]

What is the purpose of your issue?

Bug report (encountered problems with youtube-dl)

---

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-u', 'PRIVATE', '-p', 'PRIVATE', '-o', '~/MyVideos/%(playlist)s/%(chapter)s/%(playlist_index)s - %(title)s.%(ext)s', 'https://www.udemy.com/java-spring-framework/learn/v4/content']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2018.01.07
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.14393
[debug] exe versions: none
[debug] Proxy map: {}
[udemy:course] Downloading login popup
[udemy:course] Logging in
ERROR: Unable to log in; 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.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\YoutubeDL.py", line 784, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\common.py", line 437, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\common.py", line 395, in initialize
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\udemy.py", line 140, in _real_initialize
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4k56gdgt\build\youtube_dl\extractor\udemy.py", line 180, in _login
youtube_dl.utils.ExtractorError: Unable to log in; 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.
"

<end of log>

[dstftw]

Post the output with --dump-pages.