Won't let me join the server

Put the summary of the bug you're having here

What I expected to happen was...:
I would be able to play on the server

What actually happened was...:
Minecraft crashed and gave me 2 codes which are MC-103978 and MC-103981

Steps to Reproduce:
1. Log into the game
2. try to sign into the server "shadowxcraft.net"
3. it will kick you out of the game saying that either the world can't render or they didn't send the block entity of a single chest