013-02-14 22:12:25 [SEVERE] Could not pass event FirstJoinEvent to FirstJoinPlus v1.8.1
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at me.chaseoes.firstjoinplus.PlayerListeners.firstJoinDetection(PlayerListeners.java:27)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at net.minecraft.server.v1_4_R1.PlayerList.c(PlayerList.java:159)
	at net.minecraft.server.v1_4_R1.PlayerList.a(PlayerList.java:98)
	at net.minecraft.server.v1_4_R1.PendingConnection.d(PendingConnection.java:130)
	at net.minecraft.server.v1_4_R1.PendingConnection.c(PendingConnection.java:45)
	at net.minecraft.server.v1_4_R1.DedicatedServerConnectionThread.a(DedicatedServerConnectionThread.java:44)
	at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:29)
	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.getWorld(CraftServer.java:811)
	at me.chaseoes.firstjoinplus.utilities.Utilities.getFirstJoinLocation(Utilities.java:57)
	at me.chaseoes.firstjoinplus.FirstJoinEvent.getLocation(FirstJoinEvent.java:38)
	at me.chaseoes.firstjoinplus.FirstJoinListener.onFirstJoin(FirstJoinListener.java:50)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 23 more