Spigot - iTag Exception

[15:39:26 INFO]: Superwolf347 issued server command: /nick test123
[15:39:32 INFO]: Superwolf347 issued server command: /nick ImCool12
[15:39:32 ERROR]: [iTag] Unhandled exception occured in onPacketSending(PacketEv
ent) for iTag
com.comphenix.protocol.reflect.FieldAccessException: Field index out of bounds.
(Index: 0, Size: 0)
        at com.comphenix.protocol.reflect.StructureModifier.read(StructureModifi
er.java:193) ~[ProtocolLib.jar:?]
        at net.md_5.itag.iTag$1.onPacketSending(iTag.java:54) ~[iTag.jar:?]
        at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendin
gListener(SortedPacketListenerList.java:195) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacket
Sending(SortedPacketListenerList.java:149) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(Pack
etFilterManager.java:634) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSendi
ng(PacketFilterManager.java:610) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.NettyProtocolInjector.packetQue
ued(NettyProtocolInjector.java:286) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.NettyProtocolInjector.onPacketS
ending(NettyProtocolInjector.java:254) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(
ChannelInjector.java:362) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.ChannelInjector.access$500(Chan
nelInjector.java:61) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.ChannelInjector$5.handleSchedul
ed(ChannelInjector.java:328) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.ChannelInjector$5.onMessageSche
duled(ChannelInjector.java:296) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnab
le(ChannelProxy.java:110) [ProtocolLib.jar:?]
        at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoo
pProxy.java:79) [ProtocolLib.jar:?]
        at net.minecraft.server.v1_8_R1.NetworkManager.a(NetworkManager.java:140
) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.NetworkManager.handle(NetworkManager.jav
a:101) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.PlayerConnection.sendPacket(PlayerConnec
tion.java:868) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.EntityTrackerEntry.updatePlayer(EntityTr
ackerEntry.java:328) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at org.bukkit.craftbukkit.v1_8_R1.entity.CraftPlayer.showPlayer(CraftPla
yer.java:910) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.md_5.itag.iTag$2.run(iTag.java:137) [iTag.jar:?]
        at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.run(CraftTask.java
:71) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftScheduler.mainThreadHea
rtbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:6
94) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:3
16) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:6
23) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java
:526) [spigot.jar:git-Spigot-d0d1d87-bc03b6f]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_31]
[15:39:32 ERROR]: Parameters:
  net.minecraft.server.v1_8_R1.PacketPlayOutNamedEntitySpawn@b119abb[
    a=240693
    b=3d028457-92b7-4044-9fe7-10634b454f48
    c=-44112
    d=2064
    e=10512
    f=0
    g=-9
    h=0
    i=net.minecraft.server.v1_8_R1.DataWatcher@e39175
    j=<null>
  ]