Fatal error: Uncaught Error: Class "kartik\base\Widget" not found in /home/iscaljorge/devsaftXplore_in/vendor/kartik-v/yii2-nav-x/src/NavX.php:20 Stack trace: #0 {main} thrown in /home/iscaljorge/devsaftXplore_in/vendor/kartik-v/yii2-nav-x/src/NavX.php on line 20