when i type in the chat my minecraft shuts down entirely

Put the summary of the bug you're having here
every time i try to type in the chat on any server my minecraft completely shut down and closed
What I expected to happen was...:
Describe what you thought should happen here
it would just fix on its own
What actually happened was...:
Describe what happened here
my minecraft shuts out
Steps to Reproduce:
1. log in
2.join any server
3. type a phrase or word in and press enter