crashing when im trying to type on a muiltiplayer server

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
?
What actually happened was...:
Describe what happened here
?
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...i logged on the server
3. ...i tryed to type then it crashed