Fatal error: Uncaught Error: Class 'kartik\base\Widget' not found in /home/wittyly/public_html/live/hr-witty/vendor/kartik-v/yii2-sortable/src/Sortable.php:24
Stack trace:
#0 {main}
thrown in /home/wittyly/public_html/live/hr-witty/vendor/kartik-v/yii2-sortable/src/Sortable.php on line 24