First of all, try jogging your Discord application in Safe Mode. By doing this, the error can become fixed. If you work with an older rendition of Glass windows, you should try modernizing your drivers. Alternatively, you are able to run a complete system checkup to post on all drivers in your LAPTOP OR COMPUTER. You may need to manage the process in Safe Method to prevent the error by occurring once again. If all else fails, try rebooting your personal computer.