Essentials Chat Error Log

2012-12-31 12:50:19 [INFO] <[31;22m[33;22m~[31;22mJackz[0;39m> Don't have any XD[m
2012-12-31 12:50:25 [SEVERE] Could not pass event AsyncPlayerChatEvent to EssentialsChat v2.9.6
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:459)
	at net.minecraft.server.v1_4_6.PlayerConnection.chat(PlayerConnection.java:903)
	at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:853)
	at net.minecraft.server.v1_4_6.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.v1_4_6.NetworkManager.i(NetworkManager.java:208)
	at net.minecraft.server.v1_4_6.NetworkManager.c(NetworkManager.java:344)
	at net.minecraft.server.v1_4_6.NetworkReaderThread.run(SourceFile:93)
Caused by: java.lang.IllegalArgumentException: Unmatched braces in the pattern.
	at java.text.MessageFormat.applyPattern(Unknown Source)
	at java.text.MessageFormat.<init>(Unknown Source)
	at com.earth2me.essentials.Settings.getChatFormat(Settings.java:395)
	at com.earth2me.essentials.chat.EssentialsChatPlayerListenerLowest.onPlayerChat(EssentialsChatPlayerListenerLowest.java:50)
	at sun.reflect.GeneratedMethodAccessor17.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)
	... 9 more