During the dance game scene the buttons change to the Sony Playstation controller Triangle, Circle, Square, and X buttons for one shot before resuming their regular appearance.
When Raven heals Damian after his fight with Blue Beetle, you can still clearly see burns on Damian's face while he lays in her lap, even after being healed. The next cut, his face is back to normal with no burns.
When preparing to fight Superman, Wonder Woman, and the Flash, the Teen Titans do not call Nightwing (or any of the Justice League members not in this film) for back-up when they clearly could use it.