java.lang.NullPointerException
        at ht.a(SourceFile:128)
        at kn.a(SourceFile:54)
        at jf.a(SourceFile:218)
        at ht.a(SourceFile:38)
        at nt.g(SourceFile:40)
        at net.minecraft.client.Minecraft.i(SourceFile:1008)
        at net.minecraft.client.Minecraft.run(SourceFile:596)
        at java.lang.Thread.run(Unknown Source)