[13:35:52 ERROR]: Error occurred while enabling WorldGuard v6.2.1-SNAPSHOT;1703-85693b9 (Is it up to date?)
java.lang.NoSuchMethodError: com.google.common.util.concurrent.MoreExecutors.sameThreadExecutor()Lcom/google/common/util/concurrent/ListeningExecutorService;
        at com.sk89q.worldguard.internal.guava.cache.LocalCache.<clinit>(LocalCache.java:77) ~[?:?]
        at com.sk89q.worldguard.internal.guava.cache.LocalCache$LocalLoadingCache.<init>(LocalCache.java:4798) ~[?:?]
        at com.sk89q.worldguard.internal.guava.cache.CacheBuilder.build(CacheBuilder.java:793) ~[?:?]
        at com.sk89q.worldguard.session.SessionManager.<init>(SessionManager.java:62) ~[?:?]
        at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onEnable(WorldGuardPlugin.java:170) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:402) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:376) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:326) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:421) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:382) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:337) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:272) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:544) [craftbukkit.jar:git-Spigot-1ffab67-240f16d]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]