[23:41:13] [Server thread/WARN]: [WorldGuard] WorldGuard encountered an unexpected error
java.lang.NoSuchMethodError: com.google.common.util.concurrent.MoreExecutors.directExecutor()Ljava/util/concurrent/Executor;
	at com.sk89q.worldguard.util.task.SimpleSupervisor.monitor(SimpleSupervisor.java:59) ~[worldguard-bukkit-6.2.2.jar:?]
	at com.sk89q.worldguard.bukkit.commands.AsyncCommandHelper.registerWithSupervisor(AsyncCommandHelper.java:65) ~[worldguard-bukkit-6.2.2.jar:?]
	at com.sk89q.worldguard.bukkit.commands.region.MemberCommands.addMember(MemberCommands.java:81) ~[worldguard-bukkit-6.2.2.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191]
	at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:528) ~[worldedit-bukkit-6.1.jar:?]
	at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:516) ~[worldedit-bukkit-6.1.jar:?]
	at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:471) ~[worldedit-bukkit-6.1.jar:?]
	at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:409) ~[worldedit-bukkit-6.1.jar:?]
	at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:285) [worldguard-bukkit-6.2.2.jar:?]
	at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) [worldedit-bukkit-6.1.jar:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_191]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_191]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]