Game crashes when clicking on realm button as to enter the realm join menu (consistent)

What I expected to happen was...: be able to get to the menu so i can join a realm world
Describe what you thought should happen here

What actually happened was...: It showed saving world before even clicking on a realm and pressing play and my game crashed
Describe what happened here

Steps to Reproduce:
1. click on the realms bar when your game first launches