PreciousStones 9.7.1 en 1.8

[13:55:03] [Server thread/INFO]: [PreciousStones] Enabling PreciousStones v9.7.1-SNAPSHOT
[13:55:03] [Server thread/ERROR]: Error occurred while enabling PreciousStones v9.7.1-SNAPSHOT (Is it up to date?)
org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
    at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:200) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.yaml.snakeyaml.Yaml.load(Yaml.java:412) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.sacredlabyrinth.Phaed.PreciousStones.managers.LanguageManager.loadFile(LanguageManager.java:70) ~[?:?]
    at net.sacredlabyrinth.Phaed.PreciousStones.managers.LanguageManager.check(LanguageManager.java:49) ~[?:?]
    at net.sacredlabyrinth.Phaed.PreciousStones.managers.LanguageManager.load(LanguageManager.java:38) ~[?:?]
    at net.sacredlabyrinth.Phaed.PreciousStones.managers.LanguageManager.<init>(LanguageManager.java:32) ~[?:?]
    at net.sacredlabyrinth.Phaed.PreciousStones.PreciousStones.onEnable(PreciousStones.java:128) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:335) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:356) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:316) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.minecraft.server.v1_8_R1.MinecraftServer.q(MinecraftServer.java:402) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.minecraft.server.v1_8_R1.MinecraftServer.k(MinecraftServer.java:370) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:325) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:211) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:494) [spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at java.lang.Thread.run(Unknown Source) [?:1.7.0_25]
Caused by: java.nio.charset.MalformedInputException: Input length = 1
    at java.nio.charset.CoderResult.throwException(Unknown Source) ~[?:1.7.0_25]
    at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.7.0_25]
    at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.7.0_25]
    at java.io.InputStreamReader.read(Unknown Source) ~[?:1.7.0_25]
    at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:123) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    at java.io.Reader.read(Unknown Source) ~[?:1.7.0_25]
    at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:184) ~[spigot-1.8.jar:git-Spigot-d0d1d87-bc03b6f]
    ... 18 more