title: "Build path entry is missing" error when trying to create a new project in Eclipse
body: <blockquote>
    <p>Build path entry is missing:
     org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7</p>
  </blockquote>
  
  <p>I get this error when I create a new project in Eclipse. I am using Ubuntu by the way.</p>
  
  <p>Can anyone help me fixing this?</p>