Deleting the Discord data folders is the most common fix for Discord JavaScript errors when trying to start up the application. Essentially, you'll be deleting what could be corrupt or broken ...

We show you how to fix 'A fatal Javascript error occurred' issue while running or installing Discord on your Windows 11/10 PC.

On the next screen, find and delete the Discord folder. After deleting the folder, redownload and install the Discord program on your computer. Other Suggestions ...

To fix the Oops, You’ve caught an ultra rare error in Discord, check Discord's server status and clear its cache data. Other than that follow these suggestions.

For router error, restarting routers or switching the network can help. However, the current outage seemingly stems from an outage on Discord's server, and a fix will come from their end.