This happened to me last night. Basically you need to go to the PlayStation store to download and install the update first (the code should have been provided in the fangamer email). Once done boot the game up and it'll work.Got the "Backer Password" off the fangamer page, then get this:
View attachment 5609
Maybe I'm just being dense but anyone got any idea what this means? (Btw I'm playing a physical copy)