Originally Posted by
fumje
This is normal for 1K YBM fare when inventory is PN0.
When PN opens the message will change to say 'Premier Instant Upgrade Fare', and then you can move yourself to First.
Thank you. As I am merely a lowly 1K was not aware of how PN worked. My most recent PP flight it instantly booked into domestic F (before I applied the GPU) hence my confusion.