Crash in multiplayer

Note:

Description: Updating screen events

java.lang.NullPointerException
	at ayl.a(SourceFile:444)
	at axr.d(SourceFile:134)
	at axr.m(SourceFile:111)
	at net.minecraft.client.Minecraft.l(SourceFile:1078)
	at net.minecraft.client.Minecraft.K(SourceFile:574)
	at net.minecraft.client.Minecraft.run(SourceFile:526)
	at java.lang.Thread.run(Unknown Source)

What plugins does the server have?

Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.

(Automatic Message)

No answer, assuming no longer an issue.