Fatal error: Uncaught Error: Class "TUTOR\Tutor_Base" not found in /home/risei/public_html/wp-content/plugins/tutor-pro/addons/tutor-assignments/classes/Assignments.php:27 Stack trace: #0 {main} thrown in /home/risei/public_html/wp-content/plugins/tutor-pro/addons/tutor-assignments/classes/Assignments.php on line 27