Fatal error: Uncaught Error: Class 'Cron\AbstractField' not found in /home/noct-c/www/tanakahashi/vendor/dragonmantank/cron-expression/src/Cron/HoursField.php:11
Stack trace:
#0 {main}
thrown in /home/noct-c/www/tanakahashi/vendor/dragonmantank/cron-expression/src/Cron/HoursField.php on line 11