SpamExclude 1.1

16:58:23 [SEVERE] Could not pass event AsyncPlayerChatEvent to SpamExclude
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
        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:459)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:830)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
        at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
        at net.minecraft.server.NetworkManager.i(NetworkManager.java:211)
        at net.minecraft.server.NetworkManager.c(NetworkManager.java:326)
        at net.minecraft.server.NetworkReaderThread.run(SourceFile:93)
Caused by: java.lang.NullPointerException
        at me.mannil.spamexclude.SListener.onPlayerChat(SListener.java:23)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.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:330)
        ... 9 more