title: Laravel - Missing required parameters for [Route: edit] [URI: cruds/{agency}/{id}/edit]
body: <p>I've a problem with route and parameters, in particular I'm trying to pass two variables. I've to edit a point {idPost} in an agency {idAgency}.
  My controller is </p>
  
  <pre><code>public function change($agency,$id)
  {
      $crud = Description::find($id);
      $impl = Implementation::find($id);
      return view('cruds.edit',compact('crud','impl','id'));
  }
  </code></pre>
  
  <p>called in view as</p>
  
  <pre><code>&lt;a href="{{ action('CrudsController@change',$agency['id'],$post['id']) }}"&gt;
    &lt;button id="modifica" class="btn btn-danger" type="submit"&gt;&lt;i class="fa fa-pencil fa-lg"&gt;&amp;nbsp;&amp;nbsp;&lt;/i&gt;Modifica&lt;/button&gt;
  &lt;/a&gt;
  </code></pre>
  
  <p>and my route is</p>
  
  <pre><code>Route::get('cruds/{agency}/{id}/edit',['as'=&gt;'edit','uses'=&gt;'CrudsController@change']);
  </code></pre>
  
  <p>I've looked for solution a lot before to ask but I haven't found anything good for me. I'm sorry. Thanks a lot in advance.</p>