When I am trying to go on a server, my game crash and I can't play

When I am trying to go on a server, my game crash and I can't play

What I expected to happen was...:
Connecting to the server

What actually happened was...:
My game crashed and send me a crash report
Steps to Reproduce:
1. Launch Minecraft
2. Click ''Play''
3. Choose the server
4. Wait .