The YouTube Music no network connection error usually occurs when trying to playback a song using the app. This is usually caused by a poor to no internet connection or a software glitch.

If you see You're offline, Check your connection error message when trying to play YouTube videos even when you are connected to the internet, see this post.

We take a look at a few handy "hacks" you can try to help fix the issue some people have been running into of a YouTube error code 4.