Fatal error: Uncaught Error: Class 'yii\helpers\HtmlPurifier' not found in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/helpers/HtmlPurifier.php:18 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/helpers/HtmlPurifier.php on line 18