Did you hack your save file at some point? That is almost always a death sentence for that save file.
Hey, yes, I did cheated a bit with coins but when I saw this "crash" I went back to a previous save(I create a new save file like every 10 min) and started from there with no cheating but with the same result :(
you'd have to go all the way back before you did any hacks. Even a very small change will break it.
