WARNING: Assuming --restrict-filenames since file system encoding cannot encode all characters. Set the LC_ALL environment variable to fix this. [youtube] MeffgY5xH9w: Downloading webpage [youtube] MeffgY5xH9w: Downloading player 21812a9c [youtube] MeffgY5xH9w: Downloading MPD manifest ERROR: Unable to extract uploader id; 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.