Fatal error: Uncaught Error: Class 'yii\base\Behavior' not found in /home/wittyly/public_html/live/hr-witty/vendor/kartik-v/yii2-date-range/src/DateRangeBehavior.php:21
Stack trace:
#0 {main}
thrown in /home/wittyly/public_html/live/hr-witty/vendor/kartik-v/yii2-date-range/src/DateRangeBehavior.php on line 21