I have a EUG-SFO-HNL-GUM-HKG and returning on HKG-GUM-HNL-DEN-EUG trip coming up next week. Originally I used 2 RPUs and it cleared on all eligible flights, both going there and coming back. Yesterday I logged into my account and it said to call UA because my ticket needed to be reissued. I called the 1K line and CSR said it was because the upgrades cleared and the computer would just re-issue the tickets automatically. Today when I logged on, sure enough the tickets were re-issued but my account was also credited 2 RPUs and 2 GPUs were taken out. Now it appears my itinerary is upgraded by using 2 GPUs. Is this a computer glitch? Do I call the 1k line or MileagePlus help desk to get this issue solved? To me it seems awkward and unfortunately my segments from HNL-GUM-HNL are not GPU upgradeable.