Command: youtube-dl -f 'bestvideo[ext=mp4][height<=1080]+bestaudio[ext=m4a]/best[ext=mp4][height<=1080]' --merge-output-format mp4 -o './videos/video.mp4' 'https://www.youtube.com/watch?v=wUznSuVsh1Y'
Output:
Array
(
    [0] => sh: youtube-dl: command not found
)
Return code: 127
Failed to download video.