Fatal error: Uncaught Error: Class 'App\Controller\AppTabController' not found in /var/www/oksen_ryugakuse_kanri_sys/src/Controller/LessonAttendancesController.php:21 Stack trace: #0 {main} thrown in /var/www/oksen_ryugakuse_kanri_sys/src/Controller/LessonAttendancesController.php on line 21