bot:error Could not load. (media: An unknown error occoured.)

[imaletion]

enter command !list import chimal https://music.youtube.com/watch?v=neJcbZ2cb1s

bot says : Error: Could not load. (media: An unknown error occoured.)

log:

14:24:51.4117| INFO|0| User Suweety배수지 requested: !list youtube [URL]https://music.youtube.com/watch?v=L2tDWgs2wyA&list=PLmhLf8kUEmS442nknDYIA-gWR3AL2US7q[/URL]
14:25:44.7813| INFO|0| User Suweety배수지 requested: !list youtube [URL]https://music.youtube.com/watch?v=neJcbZ2cb1s[/URL]
14:26:35.6166| INFO|0| User Suweety배수지 requested: !list import chimal [URL]https://music.youtube.com/watch?v=neJcbZ2cb1s[/URL]
14:26:36.0054| WARN|0| Error opening/reading playlist file

could u tell me how can i fix it or play music