[error] Логин и гейм сервер

Exception in thread "main" java.lang.NoClassDefFoundError: l2d/gsreg/GSReg
Caused by: java.lang.ClassNotFoundException: l2d.gsreg.GSReg
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: l2d.gsreg.GSReg. Program will exit.