At a showing at a film festival in Estonia, two of the reels had been switched by a mistake, making a part of the film out of place. Apparantly the majority of the audience didn't notice and was generally very enthusiastic about the movie despite the narrative being mixed up.
When Jacob signs the contract, his name is spelled "Jakob" on the contract. But when Jacob first meets up with Christian, he makes it clear that his name is spelled with a "c" as in "Jacob".