So, the best way to fix this is to reinstall the app.
Sometimes the app data can get corrupted due to various reasons. If you’re not, you have just found the problem. If you see YouTube not working, the first thing you should do is check to see whether or not you’re connected to the internet by opening the settings menu - Wi-Fi or cellular network. The reason why videos aren’t playing on YouTube might be due to connection issues. Your Internet network could be causing problems with the video or game. Videos and games sometimes need the latest version of Chrome.
There could be many reasons for the issue, from slow internet connection, outdated Chrome, and cookies to the extensions or plugins installed in the browser. Google Chrome is a popular browser used by macOS, Windows, Linux, iOS and Android users.