Me crashea todo el rato!

Tengo un Mac i cada vez que intento jugar a Battle Royal el juego me crashea. No lo entiendo al principio pude jugar unas 10 partidas pero desde entonces nada.
que debo hacer?

  1. If you can post questions in English because, as this way you more likely will get answer here
  2. From translator i figured you asking about Fortnite, This is primerly UE4 (the game engine) AnwserHub, if you have issue with Fortnite contact the Fortnite support http://fortnitehelp.epicgames.com