Fatal error: Uncaught Error: Class "yii\web\Controller" not found in /home2/yiikharazmisabt/public_html/vendor/yii2mod/yii2-rbac/controllers/AssignmentController.php:17 Stack trace: #0 {main} thrown in /home2/yiikharazmisabt/public_html/vendor/yii2mod/yii2-rbac/controllers/AssignmentController.php on line 17