The 500 Internal Server Error on Youtube is a common issue that many users are experiencing until now. The error does not only happen on Youtube but on any other website that you visit.
500 Internal Server Error is a general HTTP error that says there is a problem on the server of the website you are visiting. In short, this error simply means that the issue is not on your end but on the Youtube servers.
However, in order to work around this issue, you can try out some of these methods. They might work and get rid of the 500 Internal Server Error on Youtube and allow to start streaming again.
How to Fix “500 Internal Server Error” on YouTube

Refresh the Youtube Page
The first thing you can do is refresh the page that you are in right now. Chances are, there was just a little hiccup on Youtube servers when you loaded the page. Things might have been back to normal.
To refresh you can either hit the F5 key on your keyboard or press command+R on MAC and ctrl+R on Windows.
Restart your Browser or Try it on Another Browser
If you continue the Youtube 500 Internal Server Error, you can try and restart your browser entirely. Restarting your browser can fix a lot of issues you might be having with a website including this Youtube issue.
You can also try to access the video you are currently watching on another browser. Sometimes you wouldn’t know why, but this trick works. Try it on Google Chrome, Safari, Firefox, Microsoft Edge, Brave, or even Vivaldi.
Open Youtube on Incognito Mode or Clear your Browser’s Cache
Another thing to try is to open Youtube on your browser’s incognito or private mode. A lot of users were able to fix the issue instantly by doing this.
If this method works for you, then the issue might have been fixed on Youtube servers now you need to clear your browser’s cookies and caches. This is needed in order to force your browser to get the latest data from the server. Once done, try to refresh the page and see if the issue is gone.
Wait It Out
Lastly, if the issue is really persistent, then you can do nothing on your end for now. All you have to do is wait and check back soon when Youtube has taken care of its mess.
You can also check if the issue is not localized to you. Places like Reddit or Twitter is a good place to check if other users are also experiencing the same issue that you have with Youtube.
Youtube error 500 obtained and became the roadblock of your entertainment, no need to worry, there is nothing wrong with your device, this is just an error on the server, it can be solved easily, just go through the link and have the solution on your finger tips.