Fatal error: Uncaught Error: Class 'kartik\base\AssetBundle' not found in /var/www/html/autocar/vendor/kartik-v/yii2-widget-select2/src/Select2Asset.php:20 Stack trace: #0 {main} thrown in /var/www/html/autocar/vendor/kartik-v/yii2-widget-select2/src/Select2Asset.php on line 20