Fatal error: Uncaught Error: Class "kartik\base\Widget" not found in /home/iscaljorge/devsaftXplore_in/vendor/kartik-v/yii2-tree-manager/src/TreeView.php:50 Stack trace: #0 {main} thrown in /home/iscaljorge/devsaftXplore_in/vendor/kartik-v/yii2-tree-manager/src/TreeView.php on line 50