Errors on 1.7.8

[Melonking906]

[01:00:16] [Server thread/INFO]: [ProtocolLib] Enabling ProtocolLib v3.3.1-SNAPSHOT
[01:00:17] [Server thread/INFO]: [iTag] Enabling iTag v1.0.0

[01:00:55] [Server thread/INFO]: net.minecraft.util.com.mojang.authlib.GameProfile@406096a2id=2653a628-ba5c-4fa9-bdfe-12c23dae0003,name=ZackALisin25,properties={},legacy=false lost connection: §cThe player §dZackALisin25 §cis already online.
[01:00:55] [Server thread/ERROR]: [iTag] Unhandled exception occured in onPacketSending(PacketEvent) for iTag
java.lang.NullPointerException
at com.comphenix.protocol.wrappers.WrappedGameProfile.getId(WrappedGameProfile.java:91) ~[ProtocolLib.jar:?]
at net.md_5.itag.iTag.getSentName(iTag.java:99) ~[iTag.jar:?]
at net.md_5.itag.iTag.access$000(iTag.java:24) ~[iTag.jar:?]
at net.md_5.itag.iTag$1.onPacketSending(iTag.java:54) ~[iTag.jar:?]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:612) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:588) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.NettyProtocolInjector.packetQueued(NettyProtocolInjector.java:267) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.NettyProtocolInjector.onPacketSending(NettyProtocolInjector.java:235) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:260) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.ChannelInjector.access$300(ChannelInjector.java:51) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.ChannelInjector$3.handleScheduled(ChannelInjector.java:236) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.ChannelInjector$3.onMessageScheduled(ChannelInjector.java:213) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:100) [ProtocolLib.jar:?]
at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:76) [ProtocolLib.jar:?]
at net.minecraft.server.v1_7_R3.NetworkManager.b(NetworkManager.java:128) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.NetworkManager.handle(NetworkManager.java:106) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.PlayerConnection.sendPacket(PlayerConnection.java:753) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.EntityTrackerEntry.updatePlayer(EntityTrackerEntry.java:323) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.EntityTracker.a(EntityTracker.java:210) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.EntityPlayer.h(EntityPlayer.java:249) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.World.entityJoinedWorld(World.java:1487) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.World.playerJoinedWorld(World.java:1463) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.World.tickEntities(World.java:1330) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.WorldServer.tickEntities(WorldServer.java:516) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:686) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:576) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:482) [spigot-1407.jar:git-Spigot-1407]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot-1407.jar:git-Spigot-1407]
[01:00:55] [Server thread/ERROR]: Parameters:
net.minecraft.server.v1_7_R3.PacketPlayOutNamedEntitySpawn@5fac48[
a=3296
b=net.minecraft.util.com.mojang.authlib.GameProfile@927ab29[id=4cdeb83f-580a-4e03-b041-938c7a66fdff,name=RedCometZaku,properties={},legacy=false]
c=112
d=4032
e=8880
f=0
g=0
h=37
i=net.minecraft.server.v1_7_R3.DataWatcher@4099b387
j=
timestamp=1397455255715
]