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 ...

To fix the Upload Failed, File cannot be empty error in Discord, you can follow the solutions & workarounds mentioned in this post.

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.