Fatal error: Uncaught Error: Class "yii\base\BaseObject" not found in C:\xampp\htdocs\arthurkotsch.online\vendor\yiisoft\yii2-gii\src\CodeFile.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\arthurkotsch.online\vendor\yiisoft\yii2-gii\src\CodeFile.php on line 24