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Fatal error: Uncaught TypeError: MasterStudy\Lms\Repositories\CurriculumRepository::get_curriculum(): Argument #1 ($course_id) must be of type int, null given, called in /home/sites/assalaturrahman.com/public_html/madrasah/wp-content/plugins/masterstudy-lms-learning-management-system/includes/Repositories/CoursePlayerRepository.php on line 24 and defined in /home/sites/assalaturrahman.com/public_html/madrasah/wp-content/plugins/masterstudy-lms-learning-management-system/includes/Repositories/CurriculumRepository.php:35 Stack trace: #0 /home/sites/assalaturrahman.com/public_html/madrasah/wp-content/plugins/masterstudy-lms-learning-management-system/includes/Repositories/CoursePlayerRepository.php(24): MasterStudy\Lms\Repositories\CurriculumRepository->get_curriculum(NULL, true) #1 /home/sites/assalaturrahman.com/public_html/madrasah/wp-content/plugins/masterstudy-lms-learning-management-system/_core/stm-lms-templates/course-player.php(22): MasterStudy\Lms\Repositories\CoursePlayerRepository->get_main_data('web-coding-and-...', 1050) #2 /home/sites/assalaturrahman.com/public_html/madrasah/wp-includes/template-loader.php(106): include('/home/sites/ass...') #3 /home/sites/assalaturrahman.com/public_html/madrasah/wp-blog-header.php(19): require_once('/home/sites/ass...') #4 /home/sites/assalaturrahman.com/public_html/madrasah/index.php(17): require('/home/sites/ass...') #5 {main} thrown in /home/sites/assalaturrahman.com/public_html/madrasah/wp-content/plugins/masterstudy-lms-learning-management-system/includes/Repositories/CurriculumRepository.php on line 35