Originally Posted by The Flying Scotsman
In your case it's maybe a problem with the IT infrastructure at CZM?
and/or with the local handling agent, using the IT infrastructure - or not.
edited to add: did you ever try to sticker an electronic ticket? sometimes its helpful just to get a sticker on the paper ticket - preventing agents to look to deeply in you 14 segment mileage run you just bought without fuel surcharges at some place ...