Fatal error: Uncaught Error: Class 'yii\base\BaseObject' not found in C:\xampp\htdocs\web\yii\basic\vendor\yiisoft\yii2-gii\src\CodeFile.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\web\yii\basic\vendor\yiisoft\yii2-gii\src\CodeFile.php on line 25