Minecraft crashes everytime I try to join a server. I tried uninstalling and reinstalling but it crashed again. I don't know if it's a problem of the computer but I doubt it because it is a late 2013 mac book pro

Put the summary of the bug you're having here

*What I expected to happen was I was going to play minecraft
Describe what you thought should happen here

*What actually happened was it crashed everytime I tried to join a server in both multiplayer/singleplayer
Describe what happened here

Steps to Reproduce:
1. start minecraft
2. go to multiplayer or singleplayer and start up a server
3. minecraft crashes