[youtube] Extracting URL: https://youtu.be/0ocIke-NHkg?si=KUtttoIfIv9wdfHW
[youtube] 0ocIke-NHkg: Downloading webpage
[youtube] 0ocIke-NHkg: Downloading android vr player API JSON
[youtube] 0ocIke-NHkg: Downloading web safari player API JSON
[youtube] 0ocIke-NHkg: Downloading player 57fefa84-tv
[youtube] [jsc:deno] Solving JS challenges using deno
WARNING: [youtube] [jsc] Error solving n challenge request using "deno" provider: Error running deno process (returncode: 1): error: Uncaught (in promise) "found 0 n function possibilities".
         input = NChallengeInput(player_url='https://www.youtube.com/s/player/57fefa84/tv-player-ias.vflset/tv-player-ias.js', challenges=['2oMt_GV5dq97xYK4', '4or8qwE4h6VFh5Py', 'p9mvJoxv7fBwRWcc'])
         Please report this issue on  https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using  yt-dlp -U
WARNING: [youtube] 0ocIke-NHkg: n challenge solving failed: Some formats may be missing. Ensure you have a supported JavaScript runtime and challenge solver script distribution installed. Review any warnings presented before this message. For more details, refer to  https://github.com/yt-dlp/yt-dlp/wiki/EJS
[info] 0ocIke-NHkg: Downloading 1 format(s): 251
[download] Unable to open file: [Errno 13] Permission denied: 'music//Meow - Ironmouse.webm.part'. Retrying (1/3)...
[download] Unable to open file: [Errno 13] Permission denied: 'music//Meow - Ironmouse.webm.part'. Retrying (2/3)...
[download] Unable to open file: [Errno 13] Permission denied: 'music//Meow - Ironmouse.webm.part'. Retrying (3/3)...
ERROR: unable to open for writing: [Errno 13] Permission denied: 'music//Meow - Ironmouse.webm.part'