Fatal error: Uncaught Error: Class 'yii\base\Widget' not found in /home/luxurytr/public_html/lt8/vendor/yiisoft/yii2-bootstrap/src/Widget.php:17 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/yiisoft/yii2-bootstrap/src/Widget.php on line 17