[INFO] [HeroBounty] Enabling HeroBounty v1.8.0
2012-08-11 15:16:48 [INFO] [HeroBounty] HeroBounty version 1.8.0 enabled.
2012-08-11 15:16:48 [SEVERE] Error occurred while enabling HeroBounty v1.8.0 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/event/entity/EntityListener
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	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:41)
	at org.bukkit.plugin.java.JavaPluginLoader.getClassByName(JavaPluginLoader.java:235)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:37)
	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)
	at com.herocraftonline.dthielke.herobounty.HeroBounty.registerEvents(HeroBounty.java:137)
	at com.herocraftonline.dthielke.herobounty.HeroBounty.onEnable(HeroBounty.java:104)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:215)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:256)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:238)
	at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:381)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:368)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:197)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.ClassNotFoundException: org.bukkit.event.entity.EntityListener
	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:41)
	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)
	... 27 more