Unable to extract uploader name

[jfl175]

$ youtube-dl -f best "https://www.youtube.com/watch?v=Ke90Tje7VS0"
[youtube] Ke90Tje7VS0: Downloading webpage
[youtube] Ke90Tje7VS0: Downloading video info webpage
WARNING: Unable to extract video title
[youtube] Ke90Tje7VS0: Extracting video information
ERROR: Unable to extract uploader name; 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.
john@S340:~$ youtube-dl --verbose -f best "https://www.youtube.com/watch?v=Ke90Tje7VS0"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-f', 'best', 'https://www.youtube.com/watch?v=Ke90Tje7VS0']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.03.14
[debug] Python version 3.6.9 (CPython) - Linux-5.0.0-36-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6-0ubuntu0.18.04.1, ffprobe 3.4.6-0ubuntu0.18.04.1, phantomjs 2.1.1, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] Ke90Tje7VS0: Downloading webpage
[youtube] Ke90Tje7VS0: Downloading video info webpage
WARNING: Unable to extract video title
[youtube] Ke90Tje7VS0: Extracting video information
ERROR: Unable to extract uploader name; 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.
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/youtube_dl/YoutubeDL.py", line 785, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python3/dist-packages/youtube_dl/extractor/common.py", line 440, in extract
ie_result = self._real_extract(url)
File "/usr/lib/python3/dist-packages/youtube_dl/extractor/youtube.py", line 1704, in _real_extract
raise ExtractorError('Unable to extract uploader name')
youtube_dl.utils.ExtractorError: Unable to extract uploader name; 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.