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Warning: include(): Failed opening 'helper.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\class_vision_ai\parse_timetable.php on line 5

Fatal error: Uncaught Error: Call to undefined function respond() in C:\xampp\htdocs\class_vision_ai\parse_timetable.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\class_vision_ai\parse_timetable.php on line 10