Could not load 'plugins/Multiverse-Core - Metrics$Plotter

[mibby]

Dev build 681. http://ci.onarandombox.com/job/Multiverse-Core/changes

[02:45:22] [Server thread/ERROR]: Could not load 'plugins/Multiverse-Core-2.5.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: org/mcstats/multiverse/Metrics$Plotter
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:137) ~[spigot.jar:git-Spigot-1308]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:309) ~[spigot.jar:git-Spigot-1308]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231) [spigot.jar:git-Spigot-1308]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:260) [spigot.jar:git-Spigot-1308]
    at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:135) [spigot.jar:git-Spigot-1308]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:436) [spigot.jar:git-Spigot-1308]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1308]
Caused by: java.lang.NoClassDefFoundError: org/mcstats/multiverse/Metrics$Plotter
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0]
    at java.lang.Class.forName(Unknown Source) ~[?:1.8.0]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[spigot.jar:git-Spigot-1308]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[spigot.jar:git-Spigot-1308]
    ... 6 more
Caused by: java.lang.ClassNotFoundException: org.mcstats.multiverse.Metrics$Plotter
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0]
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0]
    at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[spigot.jar:git-Spigot-1308]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[spigot.jar:git-Spigot-1308]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0]
    at java.lang.Class.forName(Unknown Source) ~[?:1.8.0]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[spigot.jar:git-Spigot-1308]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[spigot.jar:git-Spigot-1308]
    ... 6 more