Fatal error: Uncaught Error: Class 'kartik\base\Widget' not found in /var/www/html/ng-crm/yiiapp/vendor/kartik-v/yii2-dialog/src/Dialog.php:75 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/kartik-v/yii2-dialog/src/Dialog.php on line 75