Originally Posted by
mnbp
Not being able to generate a BP online can be a sign of trouble with the ticket. Be sure to arrive at the airport early - just in case.
It could also be SSSS, although the last time this happened to me, OLCI from my foreign destination gave me a message that by law, they were unable to give me a boarding pass, which initially made me wonder why delta.dumb had allowed me to go through the entire OLCI routine.