Bperm Error

2012-08-04 18:29:06 [WARNING] [bPermissions] "bPermissions v2.9.12" has registered a listener for org.bukkit.event.player.PlayerChatEvent on method "public void de.bananaco.bpermissions.imp.SuperPermissionHandler.onPlayerChat(org.bukkit.event.player.PlayerChatEvent)", but the event is Deprecated. Server performance will be affected; please notify the authors [codename_B].
org.bukkit.plugin.AuthorNagException
	at org.bukkit.plugin.java.JavaPluginLoader.createRegisteredListeners(JavaPluginLoader.java:302)
	at org.bukkit.plugin.SimplePluginManager.registerEvents(SimplePluginManager.java:507)
	at de.bananaco.bpermissions.imp.Permissions.onEnable(Permissions.java:92)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:357)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:263)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:245)
	at net.minecraft.server.MinecraftServer.i(MinecraftServer.java:296)
	at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:275)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:225)
	at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:140)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:380)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)