[SEVERE] Could not pass event PlayerGameModeChangeEvent to LimitedCreative
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:441)
	at org.bukkit.craftbukkit.entity.CraftPlayer.setGameMode(CraftPlayer.java:509)
	at de.jaschastarke.minecraft.limitedcreative.Commands$MainCommandExecutor.setGameMode(Commands.java:168)
	at de.jaschastarke.minecraft.limitedcreative.Commands$MainCommandExecutor.onCommand(Commands.java:61)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:461)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:818)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:778)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:761)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:112)
	at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
	at de.jaschastarke.minecraft.limitedcreative.Configuration.getCreativeArmor(Configuration.java:275)
	at de.jaschastarke.minecraft.limitedcreative.LCPlayer.setCreativeArmor(LCPlayer.java:219)
	at de.jaschastarke.minecraft.limitedcreative.LCPlayer.onSetGameMode(LCPlayer.java:202)
	at de.jaschastarke.minecraft.limitedcreative.listeners.MainListener.onPlayerGameModeChange(MainListener.java:61)
	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:301)
	... 18 more