Fatal error: Uncaught Error: Class "yii\web\Controller" not found in /var/www/html/prod/vendor/kartik-v/yii2-tree-manager/src/controllers/NodeController.php:35 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/kartik-v/yii2-tree-manager/src/controllers/NodeController.php on line 35