Fatal error: Uncaught Error: Class "yii\base\Model" not found in C:\xampp\htdocs\arthurkotsch.online\vendor\yiisoft\yii2-gii\src\Generator.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\arthurkotsch.online\vendor\yiisoft\yii2-gii\src\Generator.php on line 39