Fatal error: Uncaught Error: Class "kartik\base\AssetBundle" not found in /var/www/html/prod/vendor/kartik-v/yii2-sortable/src/SortableAsset.php:18 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/kartik-v/yii2-sortable/src/SortableAsset.php on line 18