Fatal error: Uncaught Error: Class 'Yii' not found in /home/ltdxewhd/public_html/preproduction/hooks/vendor/webzop/yii2-notifications/views/default/index.php:6 Stack trace: #0 {main} thrown in /home/ltdxewhd/public_html/preproduction/hooks/vendor/webzop/yii2-notifications/views/default/index.php on line 6