title: Yii Framework, CException Property "User.login_attempts" is not defined
body: <p>I am developing a blog system in YII Framework by referring <a href="http://www.yiiframework.com/doc/blog/1.1/en/prototype.auth" rel="nofollow">this</a> tutorial. However I am facing an authentication error in my LoginForm.</p>
  
  <pre><code>CException
  
  Property "User.login_attempts" is not defined.
  
  /home/btspdcux1/project/common/lib/Yii/db/ar/CActiveRecord.php(144)
  </code></pre>
  
  <p>I am implementing same exactly as given in yii framework tutorial and did all steps according to that but still facing the issue.</p>
  
  <p>Any help would be appreciated.</p>