Fatal error: Uncaught Error: Class 'Yii' not found in /var/www/html/Services-A/webservices/modules/quickpoll/views/poll/invite/_step5.php:5 Stack trace: #0 {main} thrown in /var/www/html/Services-A/webservices/modules/quickpoll/views/poll/invite/_step5.php on line 5