title: Kotlin: Unresolved reference: java
body: <p>I surprised, because i was able to checkout and run a Kotlin project from Github without this error, and now  get get this Java-Error</p>
  
  <p><a href="https://i.stack.imgur.com/fb7uy.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fb7uy.png" alt="Unresolved reference: java"></a></p>
  
  <p>I using </p>
  
  <ul>
  <li>kotlinc-jvm 1.3.60 (JRE 11.0.4+10-b520.11), </li>
  <li>IDEA 2019.3, </li>
  <li>Kernel: 5.3.15-1-MANJARO x86_64 bits: 64 compiler: gcc 
  v: 9.2.0 Desktop: Xfce 4.14.1 Distro: Manjaro Linux </li>
  </ul>
  
  <p>i tried hit Alt+Enter. IDE manual says: "Alt+Enter: Show intention actions and quick-fixes."</p>
  
  <p>This is my File-Name:</p>
  
  <pre><code>/home/me/IdeaProjects/KeyEvent-Reader-Demo/src/Test.kt
  </code></pre>
  
  <p>Same Error i found here: <a href="https://discuss.kotlinlang.org/t/kotlin-unresolved-reference-java/6734" rel="nofollow noreferrer">https://discuss.kotlinlang.org/t/kotlin-unresolved-reference-java/6734</a></p>