"Oops, we encountered an error
What happened to my data?
Don't worry! With the exception of the last page you were on, all the data you have entered so far has been safely saved on our secure server
What do I do now?
Try going back to the start of the interview and navigating past the step where yo encountered the error..."
I see no way of navigating. It takes me back to the very first step of filing a return.