A PHP Error was encountered

Severity: Warning

Message: Declaration of Workshop::_check_workshop_is_available($workshop_id, $book_num = 1) should be compatible with YSD_Controller::_check_workshop_is_available($workshop_id, $timeslot, $book_num = 1, $reg_id = '', $send_full_email = false)

Filename: controllers/workshop.php

Line Number: 169

The International Digestive Disease Forum (IDDF) 2024 - Institute of Digestive Disease, CUHK