Fatal error: Uncaught Error: Class 'Cron\AbstractField' not found in /home/app/htdocs/ninja/vendor/mtdowling/cron-expression/src/Cron/MonthField.php:10
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/mtdowling/cron-expression/src/Cron/MonthField.php on line 10