can't download from bbc learning english

[chancemimi]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.12.17. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• [x ] I've verified and I assure that I'm running youtube-dl 2018.12.17

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The video I tried to get is from this page:
http://www.bbc.co.uk/learningenglish/chinese/features/lingohack/ep-181227

d:\youtube-dl>youtube-dl -F http://www.bbc.co.uk/learningenglish/chinese/features/lingohack/ep-181227
[bbc] ep-181227: Downloading webpage
ERROR: Unable to extract playlist data; 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.

d:\youtube-dl>youtube-dl --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2018.12.17
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17134
[debug] exe versions: ffmpeg N-87095-gef0c6d9, ffprobe N-87095-gef0c6d9, rtmpdump 2.4
[debug] Proxy map: {'ftp': 'ftp://127.0.0.1:8580', 'https': 'https://127.0.0.1:8580', 'http': 'http://127.0.0.1:8580'}
Usage: youtube-dl [OPTIONS] URL [URL...]