yt-dlp -o "%(playlist_index)s - %(title)s.%(ext)s" [PLAYLIST_URL]
It may also help to use
yt-dlp --cookies-from-browser firefox -o "%(playlist_index)s - %(title)s.%(ext)s" [PLAYLIST_URL]
yt-dlp -o "%(playlist_index)s - %(title)s.%(ext)s" [PLAYLIST_URL]
It may also help to use
yt-dlp --cookies-from-browser firefox -o "%(playlist_index)s - %(title)s.%(ext)s" [PLAYLIST_URL]