Originally Posted by
cperciva
"There are no remaining fares eligible for upgrade on your selected date(s). Please try an alternate date. (66012 - 10651) "
Search for YVR-SOF. You'll see several routes, all of which end up an LH-operated flight from FRA or MUC to SOF. Ask the website about upgrades, and it will kick you out with without admitting that the AC-operated legs can be upgraded.
Oh, that bug. I experienced it and I believe I reported it here:
http://www.flyertalk.com/forum/23144815-post1.html
However in my case, the itinerary included a leeg on a non-star airline.
Also reported here:
http://www.flyertalk.com/forum/air-c...cted-date.html