Twitcasting.tv: Can't get the format list and download

[tailorbrands1]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.01.24
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://twitcasting.tv/c:tasking02']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2020.01.24
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.18362
[debug] exe versions: ffmpeg 4.2.1, ffprobe 4.2.1
[debug] Proxy map: {}
[generic] c:tasking02: Requesting header
WARNING: Falling back on generic information extractor.
[generic] c:tasking02: Downloading webpage
[generic] c:tasking02: Extracting information
[generic] twplayer?r7748: Requesting header
WARNING: Falling back on generic information extractor.
[generic] twplayer?r7748: Downloading webpage
[generic] twplayer?r7748: Extracting information
ERROR: Unsupported URL: https://ssl.twitcasting.tv/c:tasking02/twplayer?r7748
Traceback (most recent call last):
  File "C:\Users\ddd\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpw0w300z1\build\youtube_dl\YoutubeDL.py", line 796, in extract_info
  File "C:\Users\ddd\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpw0w300z1\build\youtube_dl\extractor\common.py", line 530, in extract
  File "C:\Users\ddd\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpw0w300z1\build\youtube_dl\extractor\generic.py", line 3350, in _real_extract
youtube_dl.utils.UnsupportedError: Unsupported URL: https://ssl.twitcasting.tv/c:tasking02/twplayer?r7748

Description

I do not get the format list when using the syntax below:

youtube-dl --list-formats https://twitcasting.tv/c:tasking02