Fatal error: Uncaught Error: Class 'yii\web\Controller' not found in /home/ckavlab/public_html/basic/vendor/yiisoft/yii2-gii/src/controllers/DefaultController.php:19 Stack trace: #0 {main} thrown in /home/ckavlab/public_html/basic/vendor/yiisoft/yii2-gii/src/controllers/DefaultController.php on line 19