Other mistake: During the hold up when Medhurst is sprung from the police van, the breakdown truck used to pull the doors of the van reverses towards the police van twice after releasing the chains off the doors before driving away, and the camera lights are reflected in the side of the white getaway car.
Other mistake: As they track Zoref, Victor calls for a view of Corridor 16, then after viewing it, calls for Corridor 49. In both views, it is the same Corridor, as evidenced by the number 16 on the lighted wall panel on the corner facing the camera.