11:49:41 [INFO] [RC] Checking for update!
11:49:41 [SEVERE] Error occurred while enabling RestrictCreative v1.5.7 (Is it u
p to date?)
java.lang.NoClassDefFoundError: net/milkbowl/vault/economy/Economy
        at net.endercraftbuild.Main.setupEconomy(Main.java:72)
        at net.endercraftbuild.Main.onEnable(Main.java:59)
        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(SimplePluginManage
r.java:381)
        at org.bukkit.craftbukkit.v1_5_R2.CraftServer.loadPlugin(CraftServer.jav
a:282)
        at org.bukkit.craftbukkit.v1_5_R2.CraftServer.enablePlugins(CraftServer.
java:264)
        at net.minecraft.server.v1_5_R2.MinecraftServer.j(MinecraftServer.java:3
01)
        at net.minecraft.server.v1_5_R2.MinecraftServer.e(MinecraftServer.java:2
80)
        at net.minecraft.server.v1_5_R2.MinecraftServer.a(MinecraftServer.java:2
40)
        at net.minecraft.server.v1_5_R2.DedicatedServer.init(DedicatedServer.jav
a:150)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java
:379)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:5
73)
Caused by: java.lang.ClassNotFoundException: net.milkbowl.vault.economy.Economy
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader
.java:80)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:53)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 13 more