HELP CRAZY GLITCH!!!!!!??

OMG MY WORLD IS GLITCHED!!!! ITS MY MAIN AND THE GAME KEEPS CRASHING WHEN I TRY TO LOG IN PLS HELP ME ALL MY STUFF IS IN IT ALSO OTHER WORLDS WORK NUT NOT MY MAIN I TRIED RESET MY IPHONE 6s BUT IT WONT WORK AND I RESET GAME AND I CANT LOG IN!!!!!!!!?????

Puppy kitry about Terraria, v1.2.12785