Fatal error: Uncaught Error: Class 'yii\base\Model' not found in C:\xampp\htdocs\aroflo-dataforce\vendor\yiisoft\yii2-debug\src\models\UserSwitch.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\aroflo-dataforce\vendor\yiisoft\yii2-debug\src\models\UserSwitch.php on line 21