Fatal error: Uncaught Error: Class 'TUTOR\Input' not found in /home/helicos/prod-helilagon-com/wp-content/plugins/tutor/templates/single/course/enrolled/question_and_answer.php:15 Stack trace: #0 {main} thrown in /home/helicos/prod-helilagon-com/wp-content/plugins/tutor/templates/single/course/enrolled/question_and_answer.php on line 15