[MC-42189] When I opened a furnace, My game crashed

I was on this massive world, when I tried to open a furnace, I don't know what was in it, and when I tried to open it, poof. my game crashed.(whoop de fricken doo)

Description: Ticking memory connection

java.lang.ClassCastException: aod cannot be cast to anx
	at ajv.a(SourceFile:111)
	at mq.a(SourceFile:241)
	at na.a(SourceFile:365)
	at jf.a(SourceFile:60)
	at jf.a(SourceFile:9)