After the last update When I open my worlds i can knly play a few seconds then the game crashes and the apk closes I CANT PLAY

Since 11 of november when I updated the apk with the 1.2.3 i can t play in my worlds the crashes when i open a world i have the minecraft since i bought my ipad and is my favourite game i am upset because in all updates the game is chashing more and more please fix it. Thanks