The bug

The game crashes when you click on a few items in the recipe book that you do not have while you are on a server.
All crash reports are almost the same, because of that i only uploaded one crash report.

The list oft the items where the game crashes:
-comparator
-powered rail
-banner
-stone pickaxe
-wodden axe
-hopper
-beetroot soup
-diamond axe
-diamond pickaxe
-iron helmet
-leather tunic
-leather cap
-stairs
(I'm still trying out the other items)

Crash report

17w50a: crash-2017-12-16_13.39.18-client.txt

Description: Rendering screen

java.lang.ArithmeticException: / by zero
	at bsw$a.c(SourceFile:112)
	at bsw.a(SourceFile:72)
	at bsy.a(SourceFile:298)
	at brx.a(SourceFile:81)
	at bzx.a(SourceFile:997)
	at bne.b(SourceFile:820)
	at bne.a(SourceFile:380)
	at net.minecraft.client.main.Main.main(SourceFile:140)