1.7.10 forge server crash log

22.02 083712 [Multicraft] Server stopped
22.02 083712 [Multicraft] Looks like a crash, check the server console. Return value 1
22.02 083711 [Multicraft] Error writing to server [Errno 32] Broken pipe
22.02 083711 [Multicraft] Error writing to server [Errno 32] Broken pipe
22.02 083711 [Multicraft] Stopping server!
22.02 083711 [Multicraft] Server shut down
22.02 083711 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java12)
22.02 083711 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java25)
22.02 083711 [Server] INFO at java.lang.Class.forName(Unknown Source)
22.02 083711 [Server] INFO at java.lang.Class.forName0(Native Method)
22.02 083711 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source)
22.02 083711 [Server] INFO at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
22.02 083711 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source)
22.02 083711 [Server] INFO at java.net.URLClassLoader.findClass(Unknown Source)
22.02 083711 [Server] INFO at java.security.AccessController.doPrivileged(Native Method)
22.02 083711 [Server] INFO at java.net.URLClassLoader$1.run(Unknown Source)
22.02 083711 [Server] INFO at java.net.URLClassLoader$1.run(Unknown Source)
22.02 083711 [Server] INFO You will need to add them to your server before FML and Forge will run successfully.java.lang.ClassNotFoundException net.minecraft.launchwrapper.Launch
22.02 083711 [Server] INFO We appear to be missing one or more essential library files.
22.02 083710 [Multicraft] Loaded config for Default
22.02 083710 [Multicraft] Starting server