Fatal error: Uncaught Error: Class 'yii\grid\DataColumn' not found in /home/wittyly/public_html/staging/hr-witty/vendor/kartik-v/yii2-grid/src/DataColumn.php:29
Stack trace:
#0 {main}
thrown in /home/wittyly/public_html/staging/hr-witty/vendor/kartik-v/yii2-grid/src/DataColumn.php on line 29