Originally Posted by
YouGeeElWhy
Wut? This happens when you are searching for airfares and come back to the search after 10/20 minutes of inactivity. Cookies/Login screen have nothing to do with this annoyance.
It's understandable that the website times out after a period of inactivity (not just when you're searching for airfares). It's not understandable that instead of giving you a login screen, the site kicks you out to a non-functioning "Invalid State Error" message.