Fatal error: Uncaught Error: Call to undefined method Page_model::getComponentByCourseId() in /var/www/html/edu.sanjeevanee.in/public_html/application/controller/sitepages/course-details/Index.php:23 Stack trace: #0 /var/www/html/edu.sanjeevanee.in/public_html/system/Core.php(270): Index->Index() #1 /var/www/html/edu.sanjeevanee.in/public_html/system/Core.php(136): Core::load_config() #2 /var/www/html/edu.sanjeevanee.in/public_html/index.php(89): Core::uri_handler1() #3 {main} thrown in /var/www/html/edu.sanjeevanee.in/public_html/application/controller/sitepages/course-details/Index.php on line 23