18:00:26 [SEVERE] Error occurred while enabling Heroes v1.2.0-b170 (Is it up to
date?): com/herocraftonline/dev/heroes/effects/Beneficial
java.lang.NoClassDefFoundError: com/herocraftonline/dev/heroes/effects/Beneficia
l
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClassCond(Unknown Source)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.access$000(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 java.lang.ClassLoader.loadClass(Unknown Source)
        at java.net.FactoryURLClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at com.herocraftonline.dev.heroes.skill.SkillLoader.loadSkill(SkillLoade
r.java:35)
        at com.herocraftonline.dev.heroes.Heroes.loadSkills(Heroes.java:167)
        at com.herocraftonline.dev.heroes.Heroes.onEnable(Heroes.java:229)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:126)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:885)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:278)
        at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:178)
        at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:161
)
        at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:286)
        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:273)
        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:149)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:337)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.ClassNotFoundException: com.herocraftonline.dev.heroes.effe
cts.Beneficial
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.net.FactoryURLClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 27 more