Originally Posted by
dieswaytoofast
Has this always been the case?
I mean, it certainly *is* the case now - and I'm not sure why, though I guess I could rationalize this in some form of 3-dimensional chess kinda way...
Lurker has confirmed to me by email that this is currently a known systems issue and limitation. The "definition" of a prepaid rate is that it cannot be changed, and apparently, applying an SNA has to "modify" the booking but a prepaid booking will not allow the change.