I switched my minecraft version to 1.7.9 and i try to go on BajanCanadian's server and it just bugs out. Please help. Thank you.

Put the summary of the bug you're having here

What I expected to happen was...: That I would go on BajanCanadian's server

What actually happened was...:
It always bugs out

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... Press "join" to join the server but it just bugs out
3. ...