Fatal error: Uncaught Error: Class "yii\base\Model" not found in /home2/yiikharazmisabt/public_html/vendor/yii2mod/yii2-rbac/models/BizRuleModel.php:14 Stack trace: #0 {main} thrown in /home2/yiikharazmisabt/public_html/vendor/yii2mod/yii2-rbac/models/BizRuleModel.php on line 14