Other mistake: In the break-in lab scene where the characters attempt to film their second resurrection, Zoe has her right hand on the electrical circuit breaker. After she throws the breaker and is electrocuted, Frank after unsuccessfully trying to revive her removes her wedding band, which shows clear burn marks on her ring finger of her left hand. (00:32:00)
Continuity mistake: As Claire discovers the corpse after the cat jumpscare, the gold chain is across the chest or across the lips. (01:15:20)