When i try to join my friends minecraft Realm world it freezes right after i press join world. After it says mine craft has crashed

Put the summary of the bug you're having here

What I expected to happen was...: I join my friends mine craft realm world
Describe what you thought should happen here

What actually happened was...:
Describe what happened here Minecraft froze and than crashed

Steps to Reproduce:
1. Go to minecraft realms
2. ...join world
3. ...freeze and crash