Fix This Khan academy

It's probably not your fault, and it's probably not Khan Academy's fault. Occasionally websites like this have bugs when they crash, time out, etc. It could also be your internet connection, too. Perhaps the servers just got temporarily overloaded.

I don't believe that there is anything you can do about this. If the issue persists, then please submit a support ticket so that our support team can help you take care of this issue.