Craft IRC compiling

Hey guys. Yesterday i try to compile CraftIRC with a command that i added and i got a bunch of warning inside Eclipse but its compilable and when i put it on the server i got that bunch of error

Code:

SEVERE: Could not load plugins/CraftyIRC.jar in plugins: null
org.bukkit.plugin.InvalidPluginException
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin

(JavaPluginLoader.java:78)
        at org.bukkit.plugin.SimplePluginManager.loadPlugin

(SimplePluginManager.java:117)
        at org.bukkit.plugin.SimplePluginManager.loadPlugins

(SimplePluginManager.java:82)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins

(CraftServer.java:40)
        at net.minecraft.server.MinecraftServer.e

(MinecraftServer.java:154)
        at net.minecraft.server.MinecraftServer.c

(MinecraftServer.java:141)
        at net.minecraft.server.MinecraftServer.d

(MinecraftServer.java:102)
        at net.minecraft.server.MinecraftServer.run

(MinecraftServer.java:179)
        at net.minecraft.server.ThreadServerApplication.run

(SourceFile:512)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance

(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance

(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance

(Constructor.java:532)
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin

(JavaPluginLoader.java:76)
        ... 8 more
Caused by: java.lang.NoClassDefFoundError:

org/bukkit/command/ConsoleCommandSender
        at org.bukkit.animosity.craftirc.CraftIRC.<init>

(CraftIRC.java:28)
        ... 13 more
Caused by: java.lang.ClassNotFoundException:

org.bukkit.command.ConsoleCommandSender
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at org.bukkit.plugin.java.PluginClassLoader.findClass

(PluginClassLoader.java:30)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        ... 14 more

And here is the YML file

Code:

name: CraftIRCUptime
main: org.bukkit.animosity.craftirc.CraftIRC
version: 1.70b

I hope somebody can come with a solution.

Thanks