Warning: require_once(../models/student/course.php): failed to open stream: No such file or directory in D:\xampp\htdocs\E-learning\view\layout\student\nav.php on line 3

Fatal error: require_once(): Failed opening required '../models/student/course.php' (include_path='\xampp\php\PEAR') in D:\xampp\htdocs\E-learning\view\layout\student\nav.php on line 3