2013-07-15 15:53:41 [SEVERE] [BA:Error] method=public void mc.alk.arena.controllers.containers.AreaContainer.onPlayerInteract(org.bukkit.event.player.PlayerInteractEvent),  types.length=1,  p=CraftPlayer{name=the_real_legend},  listener=[RoomContainer : [MEM onPlayerInteract, PlayerInteractEvent p=HIGHEST onEnter:onLeave   playerMethod=public final org.bukkit.entity.Player org.bukkit.event.player.PlayerEvent.getPlayer()]]
2013-07-15 15:53:41 [SEVERE] java.lang.reflect.InvocationTargetException
2013-07-15 15:53:41 [SEVERE] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-07-15 15:53:41 [SEVERE] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
2013-07-15 15:53:41 [SEVERE] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2013-07-15 15:53:41 [SEVERE] 	at java.lang.reflect.Method.invoke(Method.java:601)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.listeners.custom.SpecificPlayerEventListener.doMethods(SpecificPlayerEventListener.java:203)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.listeners.custom.SpecificPlayerEventListener.callListeners(SpecificPlayerEventListener.java:172)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.listeners.custom.SpecificPlayerEventListener.invokeEvent(SpecificPlayerEventListener.java:165)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.listeners.custom.BukkitEventListener$1.execute(BukkitEventListener.java:45)
2013-07-15 15:53:41 [SEVERE] 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
2013-07-15 15:53:41 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
2013-07-15 15:53:41 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
2013-07-15 15:53:41 [SEVERE] 	at org.bukkit.craftbukkit.v1_6_R2.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:191)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.PlayerInteractManager.interact(PlayerInteractManager.java:373)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:630)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.Packet15Place.handle(SourceFile:58)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.NetworkManager.b(NetworkManager.java:296)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:118)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:30)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:590)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
2013-07-15 15:53:41 [SEVERE] 	at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
2013-07-15 15:53:41 [SEVERE] Caused by: java.lang.NullPointerException
2013-07-15 15:53:41 [SEVERE] 	at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
2013-07-15 15:53:41 [SEVERE] 	at java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:1016)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.controllers.containers.AbstractAreaContainer.indexOf(AbstractAreaContainer.java:182)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.competition.match.ArenaMatch.signClick(ArenaMatch.java:463)
2013-07-15 15:53:41 [SEVERE] 	at mc.alk.arena.controllers.containers.AreaContainer.onPlayerInteract(AreaContainer.java:111)
2013-07-15 15:53:41 [SEVERE] 	... 24 more