  
<div class="alert alert-danger alert-dismissable" style="margin-top: 20px">
 
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
    <h4><i class="icon fa fa-info"></i> <?= Yii::t('app','Error')  ?></h4>
   <?php
   echo "<pre>";
   print_r($err);

   ?>


</div>

