Other mistake: When Benny signs the autograph for the fake baseball he signs it Babe Ruthe with an 'E' on the end. This can be seen when Smalls put it back in his step dad's trophy room.
Suggested correction: He did though it's apparently supposed to happen like that as one of the boys says "Baby Ruthe?" when he's signing it and a comment is made about how bad it looks. Strange as it seems; this appears to have been done purposefully for the movie thus would not be a mistake if that's what the actor was directed to do.
Other mistake: When the child takes Don and his colleague to see a pile of Ebola fever victims, the camera lingers on the "corpse" of a man who is breathing.
Other mistake: The inmates are watching "The Godfather"; specifically, the scene towards the end in which Don Corleone is speaking to Michael in the garden. Just before the inmates light the guard on fire, the audio jumps backwards: after we hear Don Corleone say "Whoever comes to you with this Barzini business...", the next line we hear is "I knew that Santino was gonna have to go through all this...", which is from earlier in the same scene. We then see the film and see Don Corleone's lips forming the line that follows the Barzini line, while the audio continues with the incorrect, earlier line. (01:35:15)
Other mistake: At the beginning of the film when "C" witnesses Sonny shooting the guy over a parking spot, Lorenzo quickly shuffles C upstairs. They are in their apartment not more than 10/15 seconds when a detective knocks on their door. There's no way the police would have shown up that quickly, let alone the detectives.