Other mistake: In the scene when Hector Lavoe and his wife (Mark Anthony and JLo) are walking down the street in New York, on the right hand of the screen you will see a man taking a picture with his cell phone. The scene is supposed to be based in the 70's.
Other mistake: When JB is leaving the cafe, he pays money, but he did not buy anything.
Other mistake: After the piano is delivered to the Girl's house, we see her mom cooking. There's obviously nothing in the pan despite her vigorous stirring. (01:19:35)