to go to 'FW'.
19:26:43 [SEVERE] Could not pass event AsyncPlayerChatEvent to AntiCuss v1.7
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:28)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:461)
        at net.minecraft.server.v1_5_R3.PlayerConnection.chat(PlayerConnection.java:900)
        at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java:840)
        at net.minecraft.server.v1_5_R3.Packet3Chat.handle(Packet3Chat.java:44)
        at org.spigotmc.netty.NettyNetworkManager$2.run(NettyNetworkManager.java:114)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Asynchronous entity add!
        at net.minecraft.server.v1_5_R3.World.addEntity(World.java:924)
        at net.minecraft.server.v1_5_R3.World.addEntity(World.java:920)
        at org.bukkit.craftbukkit.v1_5_R3.CraftWorld.dropItem(CraftWorld.java:423)
        at org.bukkit.craftbukkit.v1_5_R3.CraftWorld.dropItemNaturally(CraftWorld.java:437)
        at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:351)
        at net.minecraft.server.v1_5_R3.EntityPlayer.die(EntityPlayer.java:294)
        at org.bukkit.craftbukkit.v1_5_R3.entity.CraftLivingEntity.setHealth(CraftLivingEntity.java:77)
        at me.compressions.anticuss.AntiCussListener.onPlayerChat(AntiCussListener.java:30)
        at sun.reflect.GeneratedMethodAccessor415.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