cannot join a server

Put the summary of the bug you're having here: I cannot join a server. whenever i join it just crashes a few seconds after. i have tried a different profile, different computer but have not worked. it seems to only be one of my accounts (FaZe_Wankeh) all my other accounts can join. this is only happening to one server. this has been happening for 2 days on the version 1.8 - 1.8.9

What I expected to happen was...:
Not crash when i join the server

What actually happened was...:
I crashed ;c

Steps to Reproduce:
1... log onto a server (play.ausfactions.com.au)
2. ... wait 1-5 seconds
3. ... mine craft crashes