Wont let me go in servers, it crashes every time

Put the summary of the bug you're having here

*What I expected to happen was..Log into server
Describe what you thought should happen here
Someoneto fix it.
*What actually happened was...:*Crrashed
Describe what happened here
Clicked on server and it chrashed
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...load mc
3. ...press server