Cant download the video on the Youtube.

[lionelliu2000]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.05.01. 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 Issues with outdated version will be rejected.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 2018.05.01

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• 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)
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C:\Users\Leo>youtube-dl https://youtu.be/pRxkRcJiyng -v
[debug] System config: []
[debug] User config: ['--write-auto-sub', '-o', 'F:\Youtube-dl\%(title)s%\%(title)s.%(ext)s', '-f', 'bestvideo+bestaudio', '--proxy', 'socks5://127.0.0.1:1080', '--write-thumbnail']
[debug] Custom config: []
[debug] Command-line args: ['https://youtu.be/pRxkRcJiyng', '-v']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2018.05.01
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: ffmpeg N-90920-ge07b1913fc, ffprobe N-90920-ge07b1913fc
[debug] Proxy map: {'http': 'socks5://127.0.0.1:1080', 'https': 'socks5://127.0.0.1:1080'}
[youtube] pRxkRcJiyng: Downloading webpage
[youtube] pRxkRcJiyng: Downloading video info webpage
[youtube] pRxkRcJiyng: Extracting video information
[youtube] pRxkRcJiyng: Looking for automatic captions
WARNING: Couldn't find automatic captions for pRxkRcJiyng
Traceback (most recent call last):
File "main.py", line 19, in
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl_init_.py", line 471, in main
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl_init_.py", line 461, in _real_main
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 1993, in download
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 800, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 854, in process_ie_result
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 1627, in process_video_result
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 1705, in process_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 703, in prepare_filename
TypeError: not enough arguments for format string

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I don't know why that suddenly I can't download the video, I have tried to change a URL, but it's useless.
Can anyone help me please?

[dstftw]

Invalid argument passed to -o.