404 "Not Found" error on Facebook video

[FlaminHat]

Please follow the guide below

• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like this: [x])
• Use the Preview tab to see what your issue will actually look like

---

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.10.29. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2018.10.29

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

---

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

---

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 ```):

youtube-dl https://www.facebook.com/7newssydney/videos/524877707994684 -o "Car mowing someone down 7NEWS.mp4" --username ********* --password "********" --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['https://www.facebook.com/7newssydney/videos/524877707994684', '-o', 'Car mowing someone down 7NEWS.mp4', '--username', 'PRIVATE', '--password', 'PRIVATE', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.10.29
[debug] Python version 3.5.2 (CPython) - Darwin-17.7.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 3.3.1, ffprobe 3.3.1
[debug] Proxy map: {}
[facebook] Downloading login page
[facebook] Logging in
[facebook] 524877707994684: Downloading webpage
[facebook] 524877707994684: Downloading webpage
[facebook] 524877707994684: Downloading webpage
ERROR: Unable to download webpage: HTTP Error 404: Not Found (caused by <HTTPError 404: 'Not Found'>); 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 2211, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/Users/imac/miniconda3/lib/python3.5/urllib/request.py", line 472, in open
    response = meth(req, response)
  File "/Users/imac/miniconda3/lib/python3.5/urllib/request.py", line 582, in http_response
    'http', request, response, code, msg, hdrs)
  File "/Users/imac/miniconda3/lib/python3.5/urllib/request.py", line 510, in error
    return self._call_chain(*args)
  File "/Users/imac/miniconda3/lib/python3.5/urllib/request.py", line 444, in _call_chain
    result = func(*args)
  File "/Users/imac/miniconda3/lib/python3.5/urllib/request.py", line 590, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)

Description of your issue, suggested solution and other information

YouTube-dl reports "404 Not Found" even though I logged in with my credentials in the command to download the video off Facebook. I made sure the video was not an external link. It is actually on Facebook.