Please try rebooting your system to see if that helps. We suggest making a note of your answers as you enter them on your next attempt in case there is another error, however we are hopeful that this will do the trick!
If you are still experiencing an issue, please try clearing your cache and then refreshing your student dashboard again to see if that helps. Note that the Academy site runs best on Chrome, Firefox, and Safari. If you are not using one of these browsers, switching may be helpful.