Problem with launching a Server

Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/odinms/net/wor
ld/WorldServer
Caused by: java.lang.ClassNotFoundException: net.sf.odinms.net.world.WorldServer

        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/odinms/net/log
in/LoginServer
Caused by: java.lang.ClassNotFoundException: net.sf.odinms.net.login.LoginServer

        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: net.sf.odinms.net.world.WorldServer.  Program wil
l exit.
Could not find the main class: net.sf.odinms.net.login.LoginServer.  Program wil
l exit.
Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/odinms/net/cha
nnel/ChannelServer
Caused by: java.lang.ClassNotFoundException: net.sf.odinms.net.channel.ChannelSe
rver
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Druk op een toets om door te gaan. . . Druk op een toets om door te gaan. . . Co
uld not find the main class: net.sf.odinms.net.channel.ChannelServer.  Program w
ill exit.
Druk op een toets om door te gaan. . .