error1

2013-09-08 21:51:57 [INFO] Loaded player file for TJMASTER
2013-09-08 21:51:57 [SEVERE] Could not pass event PlayerJoinEvent to myRPG v2.0  [1082]
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.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
    at us.Myles.PWP.FakePluginManager.fireEvent(FakePluginManager.java:101)
    at us.Myles.PWP.FakePluginManager.callEvent(FakePluginManager.java:87)
    at net.minecraft.server.v1_6_R2.PlayerList.c(PlayerList.java:208)
    at net.minecraft.server.v1_6_R2.PlayerList.a(PlayerList.java:104)
    at net.minecraft.server.v1_6_R2.PendingConnection.e(PendingConnection.java:139)
    at net.minecraft.server.v1_6_R2.PendingConnection.d(PendingConnection.java:48)
    at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:139)
    at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:592)
    at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:239)
    at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:481)
    at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:413)
    at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NullPointerException
    at com.sharesc.caliog.myRPG.myRPGPlayer.nearGuildMembers(myRPGPlayer.java:336)
    at com.sharesc.caliog.myRPG.myRPGPlayer.addExp(myRPGPlayer.java:219)
    at com.sharesc.caliog.myRPG.myRPGPlayer.<init>(myRPGPlayer.java:66)
    at com.sharesc.caliog.myRPGListener.myRPGPlayerEventListener.<init>(myRPGPlayerEventListener.java:16)
    at com.sharesc.caliog.myRPGListener.myRPGListener.onPlayerJoinEvent(myRPGListener.java:119)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
    ... 14 more