Fatal error: Uncaught Error: Class 'yii\bootstrap\Widget' not found in /home/wittyly/public_html/live/hr-witty/vendor/dmstr/yii2-adminlte-asset/widgets/Alert.php:29 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/vendor/dmstr/yii2-adminlte-asset/widgets/Alert.php on line 29