Fatal error: Uncaught Error: Class 'Cake\Console\Shell' not found in /var/www/oksen_ryugakuse_kanri_sys/src/Shell/SumAttendanceShell.php:27 Stack trace: #0 {main} thrown in /var/www/oksen_ryugakuse_kanri_sys/src/Shell/SumAttendanceShell.php on line 27