Fatal error: Uncaught Error: Using $this when not in object context in /home/ltdxewhd/public_html/preproduction/hooks/vendor/dektrium/yii2-user/views/mail/layouts/html.php:17 Stack trace: #0 {main} thrown in /home/ltdxewhd/public_html/preproduction/hooks/vendor/dektrium/yii2-user/views/mail/layouts/html.php on line 17