No Errata
Q: If I make a casting roll for a spell Attack action on three dice and then use Tome of Incantations to change one of the results so that they all match, can I then score One Fate?
A: Yes.
Q: If I make a casting roll for a spell Attack action on three dice and they all match, and then I use Tome of Incantations to change one of the results, can I then score One Fate?
A: No.
Q: Are Innate results considered as dice rolled for the purposes of scoring objectives like One Fate?
A: No.