Bukkit

What steps will reproduce the problem?
1. This shows when somebody join to the server

What is the expected output? What do you see instead?
Maybe it is causing a bit laggs when someone is logging, but im not sure.

What version of the product are you using?
2.9.5

Do you have an error log of what happened?(Server console output)

06.10 05:46:15 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
06.10 05:46:15 [Server] INFO at java.lang.reflect.Method.invoke(Unknown Source)
06.10 05:46:15 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
06.10 05:46:15 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
06.10 05:46:15 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
06.10 05:46:15 [Server] INFO at uk.org.whoami.authme.listener.AuthMePlayerListener.onPlayerJoin(AuthMePlayerListener.java:772)
06.10 05:46:15 [Server] INFO Caused by: java.lang.NullPointerException
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:415)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:483)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:240)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:594)
06.10 05:46:15 [Server] INFO at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:139)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.PendingConnection.d(PendingConnection.java:48)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.PendingConnection.e(PendingConnection.java:138)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.PlayerList.a(PlayerList.java:103)
06.10 05:46:15 [Server] INFO at net.minecraft.server.v1_6_R3.PlayerList.c(PlayerList.java:207)
06.10 05:46:15 [Server] INFO at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
06.10 05:46:15 [Server] INFO at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
06.10 05:46:15 [Server] INFO at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
06.10 05:46:15 [Server] INFO at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
06.10 05:46:15 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
06.10 05:46:15 [Server] INFO org.bukkit.event.EventException
06.10 05:46:15 [Server] SEVERE Could not pass event PlayerJoinEvent to AuthMe v2.9.5

Please provide any additional information below.(config.yml)
I don't know what is going on.. Can someone repair this?
Thanks.

This plugin is old and no longer supported.

Might i suggest using http://dev.bukkit.org/bukkit-plugins/authme-reloaded/ instead?