I cant make the window larger without it crashing instantly.

What I expected to happen was...:
to make the game larger on screen

What actually happened was...:
it instantly crashed

Steps to Reproduce:
Minecraft crashes (the environment reported above)
1) open minecraft
2) press fn+f11
3)instant crash of Minecraft

Computer itself crashes (No report here because the Mac computer crashed)
1) open Minecraft
2) press the green maxamize button on the top left
2) Mac Crashes