Severity: Notice
Message: Trying to access array offset on value of type null
Filename: models/Courses_model.php
Line Number: 61
Backtrace:
File: /var/www/html/ugcmoocs/application/models/Courses_model.php
Line: 61
Function: _error_handler
File: /var/www/html/ugcmoocs/application/controllers/Courses.php
Line: 114
Function: ug_get_name
File: /var/www/html/ugcmoocs/index.php
Line: 315
Function: require_once
