Fatal error: Uncaught Error: Class 'yii\base\Module' not found in C:\xampp\htdocs\web\yii\basic\vendor\yiisoft\yii2-gii\src\Module.php:43 Stack trace: #0 {main} thrown in C:\xampp\htdocs\web\yii\basic\vendor\yiisoft\yii2-gii\src\Module.php on line 43