Fatal error: Uncaught Error: Class "MY_Model" not found in /home/amalancl/test.amalanakit.in/Smart School v7.0/smart_school_update_6.4.1_to_7.0.0/step-2/application/models/Staff_model.php:3 Stack trace: #0 {main} thrown in /home/amalancl/test.amalanakit.in/Smart School v7.0/smart_school_update_6.4.1_to_7.0.0/step-2/application/models/Staff_model.php on line 3