---- Minecraft Crash Report ----
// Sorry :(

Time: 28/09/16 15:09
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at asg.b(SourceFile:316)
	at asg.c(SourceFile:372)
	at acs.b(SourceFile:108)
	at acg.a(SourceFile:193)
	at bni.a(SourceFile:413)
	at bhz.a(SourceFile:512)
	at bhz.a(SourceFile:334)
	at bhh.k(SourceFile:403)
	at bhh.p(SourceFile:380)
	at bel.t(SourceFile:1583)
	at bel.av(SourceFile:967)
	at bel.a(SourceFile:395)
	at net.minecraft.client.main.Main.main(SourceFile:124)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
	at asg.b(SourceFile:316)
	at asg.c(SourceFile:372)
	at acs.b(SourceFile:108)
	at acg.a(SourceFile:193)
	at bni.a(SourceFile:413)
	at bhz.a(SourceFile:512)
	at bhz.a(SourceFile:334)
	at bhh.k(SourceFile:403)
	at bhh.p(SourceFile:380)