title: Error: $injector:unknown provider
body: <p>My service: </p>
  
  <pre><code>angular.module('app').factory('keretHttpSrv',  function ($http, $state, $scope, $rootScope, $q, $localStorage) {
  /*some code*/
      return keretHttpService; 
  })
  </code></pre>
  
  <p>My controller,</p>
  
  <pre><code>angular.module('app.dashboard')
  .controller('DashboardCtrl',
   ['$scope', 'keretHttpSrv', function ($scope, keretHttpSrv)
   {
  /*some code*/
   }])
  </code></pre>
  
  <p>I have this error:</p>
  
  <blockquote>
    <p>Error: $injector:unknown provider</p>
  </blockquote>
  
  <p>How can I solve this problem?</p>