Game Crash when Chatting

Put the summary of the bug you're having here

*What I expected to happen was...: I expected the message to send.
Describe what you thought should happen here

*What actually happened was...: I typed a message and as soon as I pressed enter the game crashed.
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... First go onto a multiplayer server.
3. ...Next type any normal message into the chat and hit enter.
Enjoy.
It still allows me to access commands (/home, /tpa, /give etc...)