Fatal error: Uncaught Error: Class "yii\db\ActiveRecord" not found in /home2/yiikharazmisabt/public_html/yii2-app/common/models/User.php:25 Stack trace: #0 {main} thrown in /home2/yiikharazmisabt/public_html/yii2-app/common/models/User.php on line 25