Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at atd.a(SourceFile:407)
	at akm.ab(SourceFile:301)
	at akn.ab(SourceFile:228)
	at akd.h(SourceFile:399)
	at akm.h(SourceFile:2059)
	at akn.h(SourceFile:295)
	at atk.h(SourceFile:34)
	at dmr.a(SourceFile:165)
	at dmr$$Lambda$3453/1369720621.accept(Unknown Source)
	at bjk.a(SourceFile:648)
	at dmr.g(SourceFile:136)
	at das.n(SourceFile:1389)
	at das.d(SourceFile:907)
	at das.b(SourceFile:569)
	at net.minecraft.client.main.Main.main(SourceFile:199)