After i load a world on Minecraft 1.9 the world crashes after loading some of the world

Put the summary of the bug you're having here

i wanted to play on my Minecraft worlds
Describe what you thought should happen here

a crash after seeing the sky in any mode (solo, multiplayer, and realms
Describe what happened here

Steps to Reproduce:
1.go into game
2. load world
3. see the game output