FUCKING ERROR

[22:25:45 INFO]: [ChatControl] *----------------------------------------------*
[22:25:45 INFO]: [ChatControl]   Groups were moved to Groups.Group_List
[22:25:45 INFO]: [ChatControl]   Please edit your config and restart.
[22:25:45 INFO]: [ChatControl]   This message will not be shown again.
[22:25:45 INFO]: [ChatControl] Disabling ChatControl v5.1.2-BETA
[22:25:45 INFO]: [NoCheatPlus] Post-enable running...
[22:25:45 WARN]: Exception in thread "Craft Scheduler Thread - 13"
[22:25:45 INFO]: [ChatControl]  Plugin is now disabled.
[22:25:45 INFO]: [ChatControl] *----------------------------------------------*
[22:25:45 WARN]: org.apache.commons.lang.UnhandledException: Plugin ChatControl v5.1.2-BETA generated an exception while executing task 15
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: Plugin already initialized!
	at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:122)
	at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66)
	at kangarko.chatcontrol.ChatControl.<init>(ChatControl.java:36)
	at kangarko.chatcontrol.ChatControl.instance(ChatControl.java:301)
	at kangarko.chatcontrol.utils.UpdateCheck.run(UpdateCheck.java:38)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more
Caused by: java.lang.IllegalStateException: Initial initialization
	at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:125)
	at org.bukkit.plugin.java.JavaPlugin.<init>(JavaPlugin.java:66)
	at kangarko.chatcontrol.ChatControl.<init>(ChatControl.java:36)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at java.lang.Class.newInstance(Class.java:442)
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251)
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:291)
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:199)
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:528)
	... 1 more