If someone leaves the page open for too long, the following error appears and they cannot progress to the next stage. <img width="1318" alt="Screen Shot 2019-05-06 at 6 25 49 PM" src="https://user-images.githubusercontent.com/46760737/57639439-f0a1ad00-757d-11e9-9411-ab1aa0418742.png">
If someone leaves the page open for too long, the following error appears and they cannot progress to the next stage.