citizens bug

Witam, posidam plugin Citiznes. Stworzyłem npc i po kliknięciu w niego wywala mnie  z serwera z tym błędem:

Dodam że gdy na serwerze nie było ProtocolLib jedyny błąd jaki był to linijka z wyrzuceniem gracza ale to chyba dla wszyskich oczywiste.

Z góry dzieki za pomoc.

[8:53:09] [Server thread/INFO]: kalabrak lost connection: Internal Exception: io.netty.handler.codec.DecoderException: java.lang.NullPointerException
[8:53:09] [Server thread/ERROR]: Could not pass event PlayerQuitEvent to ProtocolLib v4.5.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [srv.jar:git-Spigot-db6de12-18fbb24]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:348) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:871) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:312) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [srv.jar:git-Spigot-db6de12-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [srv.jar:git-Spigot-db6de12-18fbb24]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_265]
Caused by: java.lang.ExceptionInInitializerError
    at com.comphenix.protocol.injector.netty.InjectionFactory.fromPlayer(InjectionFactory.java:93) ~[?:?]
    at com.comphenix.protocol.injector.netty.ProtocolInjector$4.handleDisconnect(ProtocolInjector.java:422) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager.onPlayerQuit(PacketFilterManager.java:1029) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager.access$800(PacketFilterManager.java:77) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager$4.onPlayerQuit(PacketFilterManager.java:991) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_265]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_265]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_265]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_265]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    ... 12 more
Caused by: java.lang.IllegalArgumentException: 'PROTOCOL-0' is already in use
    at io.netty.util.UniqueName.<init>(UniqueName.java:53) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    at io.netty.util.AttributeKey.<init>(AttributeKey.java:47) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    at io.netty.util.AttributeKey.valueOf(AttributeKey.java:39) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    at com.comphenix.protocol.injector.netty.ChannelInjector.<clinit>(ChannelInjector.java:86) ~[?:?]
    at com.comphenix.protocol.injector.netty.InjectionFactory.fromPlayer(InjectionFactory.java:93) ~[?:?]
    at com.comphenix.protocol.injector.netty.ProtocolInjector$4.handleDisconnect(ProtocolInjector.java:422) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager.onPlayerQuit(PacketFilterManager.java:1029) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager.access$800(PacketFilterManager.java:77) ~[?:?]
    at com.comphenix.protocol.injector.PacketFilterManager$4.onPlayerQuit(PacketFilterManager.java:991) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_265]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_265]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_265]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_265]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[srv.jar:git-Spigot-db6de12-18fbb24]
    ... 12 more