My client crashes everytime I type something on a MP server

Put the summary of the bug you're having here

What I expected to happen was...:
The Game would open, I would gladly walk around and play on the server

What actually happened was...:
Everytime I typed something in chat, my client would crash (It would happen in any server)

Steps to Reproduce:
1. Go on a mp server
2. Type anything in chat and press Enter
3. Client crashes crash