[14:12:58] [Server thread/ERROR]: Couldn't set beacon java.lang.IndexOutOfBoundsException         at io.netty.buffer.EmptyByteBuf.readInt(EmptyByteBuf.java:470) ~[minecraft.jar:?]         at hb.readInt(SourceFile:639) ~[minecraft.jar:?]         at re.a(SourceFile:1049) [minecraft.jar:?]         at lz.a(SourceFile:55) [minecraft.jar:?]         at lz.a(SourceFile:8) [minecraft.jar:?]         at ie.run(SourceFile:13) [minecraft.jar:?]         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_55]         at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_55]         at net.minecraft.server.MinecraftServer.y(SourceFile:575) [minecraft.jar:?]         at pk.y(SourceFile:303) [minecraft.jar:?]         at net.minecraft.server.MinecraftServer.x(SourceFile:530) [minecraft.jar:?]         at net.minecraft.server.MinecraftServer.run(SourceFile:446) [minecraft.jar:?]         at java.lang.Thread.run(Thread.java:744) [?:1.7.0_55]