title: IntelliJ IDEA Report Highlighting error when using routes in Controller
body: <p>I have a Scala Play project. I'm using Play 2.2.1. I downloaded Scala, Play 2 supported and SBT plugins. Everything is OK, but When I call route on Action in the Controller appear following error(Look screenshots):</p>
  
  <p><img src="https://i.stack.imgur.com/LAIon.png" alt="Screenshot1"></p>
  
  <p><img src="https://i.stack.imgur.com/yoUKP.png" alt="Screenshot2"></p>
  
  <p>I'm using IntelliJ IDEA 12.1.6 Ultimate version. Scala version 2.10.2</p>
  
  <p>Anybody know how to fix this problem?</p>
  
  <p>Thanks in advance!</p>
  
  <hr>
  
  <blockquote>
    <p><strong>Edit</strong></p>
  </blockquote>
  
  <p>When I generate my project to Intellij IDEA via "play idea" command in play console, and I opened project in IDEA project structure was such:</p>
  
  <p><img src="https://i.stack.imgur.com/JcVHR.png" alt="screenshot6"></p>
  
  <p>Then I saw answer @millhouse and discussing on this githup(<a href="https://github.com/playframework/playframework/issues/1784" rel="noreferrer">[Play 2.2] "play idea" creates not working source mapping in target</a>) and I removed following folders from <strong>Sources Folders</strong>:</p>
  
  <blockquote>
    <ul>
    <li>target\scala-2.10\src_managed\main\controllers</li>
    <li>target\scala-2.10\src_managed\main\views</li>
    </ul>
  </blockquote>
  
  <p><strong>and "Report highlighting error" disappeared, but now there is another error:</strong></p>
  
  <p><img src="https://i.stack.imgur.com/iWKpY.png" alt="screenshot3"></p>
  
  <p><strong>and</strong></p>
  
  <p><img src="https://i.stack.imgur.com/OTwwL.png" alt="screenshot7"></p>
  
  <p><strong>my route:</strong></p>
  
  <p><img src="https://i.stack.imgur.com/jL6Na.png" alt="screenshot4"></p>
  
  <p>And I've changed "Sources Folders" as shown below:</p>
  
  <p><img src="https://i.stack.imgur.com/VLTQY.png" alt="screenshot5"></p>
  
  <p><strong>But it doesn't help me. And remains "Unspecified value parametrs" error.</strong></p>