Bukkit

What steps will reproduce the problem?
1. Player logs in
2. NPE is thrown, goes unhandled

What version of the product are you using?
v1.2

Do you have an error log of what happened?
2013-04-15 14:36:02 [INFO] PLAYERNAMEWASHERE[/151.225.182.202:49695] logged in with entity id 405750 at ([Era] 183.75713652858198, 64.0, 2342.6699637166953)
2013-04-15 14:36:02 [SEVERE] Could not pass event PlayerJoinEvent to V10WorldMap v1.2
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:26)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
        at net.minecraft.server.v1_5_R2.PlayerList.c(PlayerList.java:204)
        at net.minecraft.server.v1_5_R2.PlayerList.a(PlayerList.java:100)
        at net.minecraft.server.v1_5_R2.PendingConnection.d(PendingConnection.java:134)
        at net.minecraft.server.v1_5_R2.PendingConnection.c(PendingConnection.java:49)
        at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:71)
        at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
        at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:229)
        at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:469)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:401)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
        at de.V10lator.V10WorldMap.VWMListener.onPlayerJoin(VWMListener.java:35)
        at sun.reflect.GeneratedMethodAccessor302.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
        ... 14 more

Please provide any additional information below.
This seems to happen every time a player logs in.