MC worldguard terület levédési hiba?

Hali!

Valamiért ha kijelölök 1 területet nem engedi definiálni régiónak.

Hibalírás:

[22:59:46] [Server thread/WARN]: com.sk89q.minecraft.util.commands.WrappedCommandException: java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder;

[22:59:46] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:543)

[22:59:46] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:520)

[22:59:46] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:475)

[22:59:46] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:409)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:237)

[22:59:46] [Server thread/WARN]: at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52)

[22:59:46] [Server thread/WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175)

[22:59:46] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:683)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:952)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457)

[22:59:46] [Server thread/WARN]: at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)

[22:59:46] [Server thread/WARN]: Caused by: java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder;

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.blacklist.Blacklist.<init>(Blacklist.java:53)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.BukkitBlacklist.<init>(BukkitBlacklist.java:28)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldConfiguration.loadConfiguration(WorldConfiguration.java:474)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldConfiguration.<init>(WorldConfiguration.java:197)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.ConfigurationManager.get(ConfigurationManager.java:206)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.WorldGuardPlugin.hasPermission(WorldGuardPlugin.java:370)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.AbstractPermissionModel.hasPluginPermission(AbstractPermissionModel.java:44)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.RegionPermissionModel.mayDefine(RegionPermissionModel.java:51)

[22:59:46] [Server thread/WARN]: at com.sk89q.worldguard.bukkit.commands.RegionCommands.define(RegionCommands.java:447)

[22:59:46] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[22:59:46] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

[22:59:46] [Server thread/WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

[22:59:46] [Server thread/WARN]: at java.lang.reflect.Method.invoke(Method.java:606)

[22:59:46] [Server thread/WARN]: at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:533)

[22:59:46] [Server thread/WARN]: ... 18 more

Fogalmam sincs, mi lehet a baja.