[SEVERE] Error occurred while enabling Minigames v1.3.3 (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/EntityHuman
        at com.pauldavdesign.mineauz.minigames.Minigames.onEnable(Minigames.java:58)
        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(SimplePluginManager.java:381)
        at org.bukkit.craftbukkit.v1_4_6.CraftServer.loadPlugin(CraftServer.java:278)
        at org.bukkit.craftbukkit.v1_4_6.CraftServer.enablePlugins(CraftServer.java:260)
        at net.minecraft.server.v1_4_6.MinecraftServer.j(MinecraftServer.java:321)
        at net.minecraft.server.v1_4_6.MinecraftServer.e(MinecraftServer.java:300)
        at net.minecraft.server.v1_4_6.MinecraftServer.a(MinecraftServer.java:259)
        at net.minecraft.server.v1_4_6.DedicatedServer.init(DedicatedServer.java:149)
        at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:399)
        at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.EntityHuman
        at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
        ... 12 more