title: kotlin warning: classpath entry points to a non-existent location: <java_home>!\java.activation
body: <p>I'm using <code>IntelliJ 2018.3</code>, and I have newest version of <code>kotlin</code> plugin installed, which is currently <code>kotlin-plugin1.3.11</code>. Now I just wrote a simple program which prints a string constant. But I keep getting this warning.</p>
  
  <pre><code>kotlin warning: classpath entry points to a non-existent location: &lt;java_home&gt;!\java.activation
  </code></pre>
  
  <p>Why? How to solve it?</p>