Originally Posted by mahasamatman
That is only one of a plethora of reasons you could not check in onilne. More likely (based on recent experience), online checkin is just plain broken. Of the 5 or 6 times one of us has gotten this message, none of them were because of SSSS.
Opposite experience for me. Every time I have been unable to check-in online has been because of SSSS (not for me, usually, but for the people I was checking in).