Originally Posted by
steveman518
I is an award fare bucket while P is a paid fare bucket-probably just a mistake on their end before it changed back to I.
No, this is normal. If the bucket they need is not available, they book whatever bucket, and have the support desk open up what they need.
Booking it in P secures the space and saves the support desk from having to sell in the flight. They just change it to I and reissue the ticket.