Minecraft forge 1.7.10 won't start on my server

[Stormer_01]

I am trying to run forge 1.7.10 on my minecraft server (theminecrafthosting.com) and I get the following error may someone explain what it means and how to fix it

 

Received start command 02.03 19:49:02 [Multicraft] Loading server properties 02.03 19:49:02 [Multicraft] Starting server! 02.03 19:49:02 [Multicraft] Loaded config for "Custom.jar (Use and upload your own JAR)" 02.03 19:49:02 [Multicraft] Updating eula.txt file 02.03 19:49:02 [Server] INFO A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException 02.03 19:49:02 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 02.03 19:49:02 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 02.03 19:49:02 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 02.03 19:49:02 [Server] INFO at java.lang.reflect.Method.invoke(Method.java:498) 02.03 19:49:02 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) 02.03 19:49:02 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) 02.03 19:49:02 [Server] INFO Caused by: java.lang.NoClassDefFoundError: org/apache/logging/log4j/Level 02.03 19:49:02 [Server] INFO at net.minecraft.launchwrapper.Launch.launch(Launch.java:94) 02.03 19:49:02 [Server] INFO at net.minecraft.launchwrapper.Launch.main(Launch.java:28) 02.03 19:49:02 [Server] INFO ... 6 more 02.03 19:49:02 [Server] INFO Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Level 02.03 19:49:02 [Server] INFO at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 02.03 19:49:02 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 02.03 19:49:02 [Server] INFO at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) 02.03 19:49:02 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 02.03 19:49:02 [Server] INFO ... 8 more 02.03 19:49:02 [Multicraft] Server shut down (starting) 02.03 19:49:02 [Multicraft] Restarting crashed server in 5 seconds 02.03 19:49:02 [Multicraft] Looks like a crash, check the server console. Return value: 1 02.03 19:49:02 [Multicraft] Server stopped 02.03 19:49:07 [Multicraft] Loading server properties 02.03 19:49:07 [Multicraft] Starting server! 02.03 19:49:07 [Multicraft] Loaded config for "Custom.jar (Use and upload your own JAR)" 02.03 19:49:07 [Multicraft] Updating eula.txt file 02.03 19:49:08 [Server] INFO A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException 02.03 19:49:08 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 02.03 19:49:08 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 02.03 19:49:08 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 02.03 19:49:08 [Server] INFO at java.lang.reflect.Method.invoke(Method.java:498) 02.03 19:49:08 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) 02.03 19:49:08 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) 02.03 19:49:08 [Server] INFO Caused by: java.lang.NoClassDefFoundError: org/apache/logging/log4j/Level 02.03 19:49:08 [Server] INFO at net.minecraft.launchwrapper.Launch.launch(Launch.java:94) 02.03 19:49:08 [Server] INFO at net.minecraft.launchwrapper.Launch.main(Launch.java:28) 02.03 19:49:08 [Server] INFO ... 6 more 02.03 19:49:08 [Server] INFO Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Level 02.03 19:49:08 [Server] INFO at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 02.03 19:49:08 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 02.03 19:49:08 [Server] INFO at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) 02.03 19:49:08 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 02.03 19:49:08 [Server] INFO ... 8 more 02.03 19:49:08 [Multicraft] Server shut down (starting) 02.03 19:49:08 [Multicraft] Restarting crashed server in 5 seconds 02.03 19:49:08 [Multicraft] Looks like a crash, check the server console. Return value: 1 02.03 19:49:08 [Multicraft] Server stopped