title: Error 404 in Yii
body: <p>I have a project divided into different modules.</p>
  
  <p>I have copy pasted one module into my protected/modules folder.</p>
  
  <p>When I try to open the it in browser it shows me error 404:unable to process the request.</p>
  
  <p>But, I am able to open the modules on which I have worked on. The problem is with the ones that I have copy pasted only.</p>