Client Load Problem

When i try to load the custom client i get the following errors.

Exception in thread "main" java.lang.NoClassDefFoundError: client
Caused by: java.lang.ClassNotFoundException: client
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)
Could not find the main class: client. Program will exit.
Press any key to continue . . .

Error 2 When i run Windows 7 - 64 Bit.

error_game_js5connect

If anyone could help me out with with please let me know soon as possible, this looks like a really good server to play on, thanks.

Severs down

well the top part it does when the log in thing loads and the

"error_game_js5connect"

Happens when server is offline and as off right now it is becuase some problems happened with our VPS (24/7)