Crash when launch with wifi

The game in my old iPad mini run well until I turn on the wifi, I cant save my progress, then I install the game y my not too old iPhone 6 and. I problem for a while, but now the game crashes too when I turn on the wifi, how its supposed to I can play and save, I need to "turn off and on the iPhone, delete the game and install again..." ?

Camilo Cuervo about LEGO® Star Wars™: TCS