title: jdk.nashorn.internal.ir.annotations does not exist
body: <p>I am very new to Java and using IntelliJ
  I am running an open source file.</p>
  
  <p>but the building giving this error</p>
  
  <blockquote>
    <p>Error:(21, 43) java: package jdk.nashorn.internal.ir.annotations does
    not exist</p>
  </blockquote>
  
  <p>I tried installing JDK 11 but still getting the same error.</p>
  
  <p>What I have to do so the system recognize this library?</p>