MorecheatsPLZ Update Wurst Client: Make sure you are using the latest version of the Wurst client. Check the official Wurst website Launch Options: In your Minecraft launcher, check your launch options. Make sure you're using the correct Java version and that your encoding settings are standard (e.g., UTF-8). Language Settings: If the error occurs during specific actions (like chat), try changing the game language to English or a supported language to see if that resolves the issue.