Factions 1.8 errors

2012-12-22 04:29:10 [INFO] [Factions v1.8.0] === ENABLE START ===
2012-12-22 04:29:10 [SEVERE] Error occurred while enabling Factions v1.8.0 (Is it up to date?)
org.bukkit.craftbukkit.libs.com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 161
	at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:766)
	at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:721)
	at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:670)
	at com.massivecraft.factions.zcore.util.Persist.load(Persist.java:168)
	at com.massivecraft.factions.zcore.util.Persist.load(Persist.java:157)
	at com.massivecraft.factions.zcore.MPlugin.initTXT(MPlugin.java:167)
	at com.massivecraft.factions.zcore.MPlugin.preEnable(MPlugin.java:71)
	at com.massivecraft.factions.P.onEnable(P.java:100)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.v1_4_6.CraftServer.loadPlugin(CraftServer.java:278)
	at org.bukkit.craftbukkit.v1_4_6.CraftServer.enablePlugins(CraftServer.java:260)
	at net.minecraft.server.v1_4_6.MinecraftServer.j(MinecraftServer.java:321)
	at net.minecraft.server.v1_4_6.MinecraftServer.e(MinecraftServer.java:300)
	at net.minecraft.server.v1_4_6.MinecraftServer.a(MinecraftServer.java:259)
	at net.minecraft.server.v1_4_6.DedicatedServer.init(DedicatedServer.java:149)
	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:399)
	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 161
	at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.expect(JsonReader.java:339)
	at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.beginObject(JsonReader.java:322)
	at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:184)
	at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146)
	at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:755)
	... 18 more
2012-12-22 04:29:10 [INFO] [Lockette] Enabled link to plugin Factions for Groups, version 1.8.0