Handle the indexerror exception on create_order

LMS-2646
I'm worried about this method, because it's possible that people will inadvertently return to this url and get confused. However, I understand that you want to refresh the page so that they can retake their photo. Let's just do this:
If there's that IndexError in the backend, unhide the error message with javascript, and add messaging saying that the page should be refreshed.