<h1>A Database Error Occurred</h1>
    <p>Error Number: 1048</p><p>Column 'sch_from' cannot be null</p><p>INSERT INTO `dt_flight_schedule` (`airlines_id`, `dtf_id`, `sch_type`, `sch_date`, `sch_from`, `sch_to`, `sch_etd`, `sch_eta`, `sch_class_code`, `sch_baggage`, `sch_flight_no`) VALUES ('JT', 68, 'depart', '2020-01-31', NULL, NULL, NULL, NULL, '', NULL, 'JT-951')</p><p>Filename: /var/www/html/mandiriku/api/models/mgeneral.php</p><p>Line Number: 61</p> </div>