MyHungerGames Error

14:39:18 [INFO] [MyHungerGames] Enabling MyHungerGames v1.1
14:39:18 [SEVERE] Error occurred while enabling MyHungerGames v1.1 (Is it up to date?)
java.lang.IllegalStateException: Vault was not registered but is enabled
    at me.kitskub.hungergames.register.Economy.<init>(Economy.java:12)
    at me.kitskub.hungergames.HungerGames.loadRegistry(HungerGames.java:139)
    at me.kitskub.hungergames.HungerGames.onEnable(HungerGames.java:69)
    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_5_R3.CraftServer.loadPlugin(CraftServer.java:282)
    at org.bukkit.craftbukkit.v1_5_R3.CraftServer.enablePlugins(CraftServer.java:264)
    at net.minecraft.server.v1_5_R3.MinecraftServer.j(MinecraftServer.java:304)
    at net.minecraft.server.v1_5_R3.MinecraftServer.e(MinecraftServer.java:283)
    at net.minecraft.server.v1_5_R3.MinecraftServer.a(MinecraftServer.java:243)
    at net.minecraft.server.v1_5_R3.DedicatedServer.init(DedicatedServer.java:151)
    at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:382)
    at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)