WORLD GUARD ERROR

[18:10:38] [Server thread/ERROR]: Error occurred while enabling WorldGuard v6.0.0-beta-05.1569- (Is it up to date?)
org.yaml.snakeyaml.reader.ReaderException: special characters are not allowed
    at org.yaml.snakeyaml.reader.StreamReader.checkPrintable(StreamReader.java:93) ~[craftbukkit.jar:git-Bukkit-7722428]
    at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:192) ~[craftbukkit.jar:git-Bukkit-7722428]
    at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[craftbukkit.jar:git-Bukkit-7722428]
    at org.yaml.snakeyaml.Yaml.load(Yaml.java:424) ~[craftbukkit.jar:git-Bukkit-7722428]
    at com.sk89q.util.yaml.YAMLProcessor.load(YAMLProcessor.java:112) ~[?:?]
    at com.sk89q.worldguard.bukkit.WorldConfiguration.loadConfiguration(WorldConfiguration.java:333) ~[?:?]
    at com.sk89q.worldguard.bukkit.WorldConfiguration.<init>(WorldConfiguration.java:209) ~[?:?]
    at com.sk89q.worldguard.bukkit.ConfigurationManager.get(ConfigurationManager.java:228) ~[?:?]
    at com.sk89q.worldguard.bukkit.ConfigurationManager.load(ConfigurationManager.java:195) ~[?:?]
    at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onEnable(WorldGuardPlugin.java:175) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[craftbukkit.jar:git-Bukkit-7722428]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:327) [craftbukkit.jar:git-Bukkit-7722428]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit.jar:git-Bukkit-7722428]
    at org.bukkit.craftbukkit.v1_8_R2.CraftServer.loadPlugin(CraftServer.java:341) [craftbukkit.jar:git-Bukkit-7722428]
    at org.bukkit.craftbukkit.v1_8_R2.CraftServer.enablePlugins(CraftServer.java:313) [craftbukkit.jar:git-Bukkit-7722428]
    at net.minecraft.server.v1_8_R2.MinecraftServer.r(MinecraftServer.java:408) [craftbukkit.jar:git-Bukkit-7722428]
    at net.minecraft.server.v1_8_R2.MinecraftServer.k(MinecraftServer.java:374) [craftbukkit.jar:git-Bukkit-7722428]
    at net.minecraft.server.v1_8_R2.MinecraftServer.a(MinecraftServer.java:329) [craftbukkit.jar:git-Bukkit-7722428]
    at net.minecraft.server.v1_8_R2.DedicatedServer.init(DedicatedServer.java:236) [craftbukkit.jar:git-Bukkit-7722428]
    at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:501) [craftbukkit.jar:git-Bukkit-7722428]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_45]
[18:10:38] [Server thread/INFO]: [ChestCommands] Enabling ChestCommands v3.1
[18:10:39] [Server thread/INFO]: [ChestCommands] Could not find a compatible Attribute Remover for this server version. Attributes will show up on items.