Originally Posted by
chavala
One of my SWUs just cleared. (yay!)
I was able to change my seat, but I get the notice: ! A modification has been made to your itinerary. Please contact United Reservations to have your ticket reissued.
I dread the idea of being on hold for hours -- do I really need to call?
That message is a glitch in the UA system. It's meaningless. ignore it.