Severity: Warning
Message: Trying to access array offset on value of type null
Filename: models/Crud_model.php
Line Number: 2530
Backtrace:
File: /home/kxgwbk2fyldr/maintenance/application/models/Crud_model.php
Line: 2530
Function: _error_handler
File: /home/kxgwbk2fyldr/maintenance/application/controllers/Home.php
Line: 111
Function: filter_course
File: /home/kxgwbk2fyldr/maintenance/index.php
Line: 290
Function: require_once