Generating jar file from a project

I am trying to create jar file.
I selected Module settings -> Artifacts and moved all items to jar:

I built artifact and tryed to execute it:

smix@smix-desktop:~/IdeaProjects/untitled/out/artifacts/unnamed$ java -jar unnamed.jar 
Invalid or corrupt jarfile unnamed.jar

Google said me that I need manifest file. I created it:

Manifest-Version: 1.0
Main-Class: HelloWorld
 

and added to jar file:


Now i get this error:

smix@smix-desktop:~/IdeaProjects/untitled/out/artifacts/unnamed$ java -jar unnamed.jar 
Exception in thread "main" java.lang.NoClassDefFoundError: scala/ScalaObject
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
     at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
     at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
     at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:334)
     at HelloWorld.main(HelloWorld.scala)
Caused by: java.lang.ClassNotFoundException: scala.ScalaObject
     at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:334)
     ... 13 more