ChatControl 5.0.6 exception

[18:13:52 ERROR]: Could not pass event AsyncPlayerChatEvent to ChatControl v5.0.6
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot-1.8.jar:git-Spigot-15fa8e1-1
7a3db7]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.jar:git-Spigot-15fa8e1-17a
3db7]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.jar:git-Spigot-15fa8e1-1
7a3db7]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot-1.8.jar:git-Spigot-15fa8e1-1
7a3db7]
        at net.minecraft.server.v1_8_R1.PlayerConnection.chat(PlayerConnection.java:1036) [spigot-1.8.jar:git-Spigot-15fa8e1-
17a3db7]
        at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:975) [spigot-1.8.jar:git-Spigot-15fa8e1-17a3
db7]
        at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:26) [spigot-1.8.jar:git-Spigot-15fa8e1-17a3d
b7]
        at net.minecraft.server.v1_8_R1.PacketPlayInChat$1.run(PacketPlayInChat.java:47) [spigot-1.8.jar:git-Spigot-15fa8e1-1
7a3db7]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_25]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_25]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_25]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_25]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_25]
Caused by: java.util.UnknownFormatConversionException: Conversion = 'p'
        at org.bukkit.event.player.AsyncPlayerChatEvent.setFormat(AsyncPlayerChatEvent.java:100) ~[spigot-1.8.jar:git-Spigot-
15fa8e1-17a3db7]
        at kangarko.chatcontrol.ChatFormatter.onChatFormat(ChatFormatter.java:73) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_25]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_25]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_25]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot-1.8.jar:git-Spigot-15fa8e1-1
7a3db7]
        ... 12 more