Mob Arena Error (Please Help)

Code:

>05:06:49 [INFO] [MobArena] Enabling MobArena v0.94.4.65
 
>05:06:49 [WARNING] [MobArena] Vault was not found. Economy rewards will not work!
 
>05:06:49 [SEVERE] Error occurred while enabling MobArena v0.94.4.65 (Is it up to date?)
 
java.lang.IllegalArgumentException: Cannot set to an empty path
 
  at org.apache.commons.lang.Validate.notEmpty(Validate.java:363)
 
  at org.bukkit.configuration.MemorySection.set(MemorySection.java:156)
 
  at org.bukkit.configuration.MemorySection.set(MemorySection.java:186)
 
  at com.garbagemule.MobArena.util.config.Config.set(Config.java:345)
 
  at com.garbagemule.MobArena.log.YMLSessionBuilder.reset(YMLSessionBuilder.java:109)
 
  at com.garbagemule.MobArena.log.YMLSessionBuilder.<init>(YMLSessionBuilder.java:28)
 
  at com.garbagemule.MobArena.ArenaImpl.<init>(ArenaImpl.java:174)
 
  at com.garbagemule.MobArena.ArenaMasterImpl.loadArena(ArenaMasterImpl.java:519)
 
  at com.garbagemule.MobArena.ArenaMasterImpl.loadArenas(ArenaMasterImpl.java:489)
 
  at com.garbagemule.MobArena.ArenaMasterImpl.initialize(ArenaMasterImpl.java:242)
 
  at com.garbagemule.MobArena.MobArena.onEnable(MobArena.java:81)
 
  at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:215)
 
  at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:336)
 
  at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
 
  at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:256)
 
  at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:238)
 
  at org.bukkit.craftbukkit.CraftServer.reload(CraftServer.java:552)
 
  at org.bukkit.Bukkit.reload(Bukkit.java:182)
 
  at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:22)
 
  at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
 
  at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:479)
 
  at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:821)
 
  at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:781)
 
  at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:764)
 
  at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:34)
 
  at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
 
  at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
 
  at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
 
  at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551)
 
  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
 
  at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
 

I keep getting this error, no idea what it means though.

Please help,
Mati

 

Is it up to date?
Is your bukkit up to date?

 

My bukkit is up to date, aswell as the Mob Arena plugin.

 

[SEVERE] Error occurred while enabling MobArena v0.94.4.65 (Is it up to date?)

Redownload mob arena

 

Redownload it is the ting