Помогите Выдает ошибку при выполнение команды /rg info

Когда прописываю команду /rg info выдает такую вот ошибку:
И вот лог этой ошибки

[14:19:23 INFO]: zTassen issued server command: /rg info
[14:19:23 INFO]: [Essentials] Found new UUID for zTassen. Replacing 7454fa3c-7d87-332e-878e-4f489faebe03 with 7199a1ee-95e9-3200-b320-7cbe9a7469ae
[14:19:23 WARN]: [WorldGuard] WorldGuard encountered an unexpected error
java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkState(ZLjava/lang/String;Ljava/lang/ObjectV
at com.sk89q.worldguard.internal.guava.util.concurrent.Futures.getDone(Futures.java:1170) ~[worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.Futures$4.run(Futures.java:1121) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:435) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:900) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:634) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.AbstractFuture$TrustedFuture.addListener(AbstractFuture.java:98) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.Futures.addCallback(Futures.java:1135) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.internal.guava.util.concurrent.Futures.addCallback(Futures.java:1073) [worldguard-6.2.1.jar:?]
at com.sk89q.worldguard.bukkit.commands.region.RegionCommands.info(RegionCommands.java:393) [worldguard-6.2.1.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:528) [worldedit.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:516) [worldedit.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:471) [worldedit.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:409) [worldedit.jar:?]
at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:295) [worldguard-6.2.1.jar:?]
at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) [worldedit.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) [craftbukkit.jar:git-Bukkit-12698ea]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:620) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1106) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:966) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:37) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:9) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-12698ea]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_131]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_131]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:673) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:629) [craftbukkit.jar:git-Bukkit-12698ea]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:537) [craftbukkit.jar:git-Bukkit-12698ea]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]