2012-11-30 10:09:54 [SEVERE] Error occurred while enabling ecoCreature v0.2.2-b275 (Is it up to date?)
java.lang.NoClassDefFoundError: com/massivecraft/factions/struct/Relation
    at se.crafted.chrisb.ecoCreature.rewards.gain.FactionsGain.parseConfig(FactionsGain.java:69)
    at se.crafted.chrisb.ecoCreature.PluginConfig.loadGainMultipliers(PluginConfig.java:175)
    at se.crafted.chrisb.ecoCreature.PluginConfig.loadWorldSettings(PluginConfig.java:155)
    at se.crafted.chrisb.ecoCreature.PluginConfig.initConfig(PluginConfig.java:115)
    at se.crafted.chrisb.ecoCreature.PluginConfig.<init>(PluginConfig.java:90)
    at se.crafted.chrisb.ecoCreature.ecoCreature.onEnable(ecoCreature.java:66)
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374)
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
    at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:270)
    at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:252)
    at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:320)
    at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:299)
    at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:258)
    at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:147)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:398)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)
Caused by: java.lang.ClassNotFoundException: com.massivecraft.factions.struct.Relation
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:44)
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
    ... 17 more