2013-04-22 01:58:58 [SEVERE] Could not pass event InventoryClickEvent to DtlCitizensTrader v2.5.0 Alpha
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 net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:1177)
        at net.minecraft.server.v1_5_R2.Packet102WindowClick.handle(SourceFile:31)
        at net.minecraft.server.v1_5_R2.NetworkManager.b(NetworkManager.java:292)
        at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:110)
        at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
        at net.minecraft.server.v1_5_R2.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
        at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:225)
        at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:476)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:409)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
        at net.dandielo.citizens.trader.objects.StockItem.name(StockItem.java:435)
        at net.dandielo.citizens.trader.types.ServerTrader.simpleMode(ServerTrader.java:125)
        at net.dandielo.citizens.trader.NpcManager.onInventoryClick(NpcManager.java:214)
        at sun.reflect.GeneratedMethodAccessor129.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)
        ... 14 more