Close Discord completely
On Windows, press Win + R, type %appdata%Discord, and press Enter
Open the Cache folder
Delete all files inside the Cache folder
Open the Code Cache folder
Delete all files inside the Code Cache folder
Open the GPUCache folder
Delete all files inside the GPUCache folder
Restart Discord
On Mac, open Finder
Click Go
Click Go to Folder
Enter ~/Library/Application Support/discord
Open the Cache folder
Delete all files inside the Cache folder
Open the Code Cache folder
Delete all files inside the Code Cache folder
Open the GPUCache folder
Delete all files inside the GPUCache folder
Restart Discord
On Android, open Settings
Tap Apps
Tap Discord
Tap Storage
Tap Clear Cache
On iPhone, uninstall Discord
Reinstall Discord from the App Store