Help me understand how to test this. I have placed the PHP script in the cli folder, and when I try to access it via a browser I get: Similarly, when I try to execute it from the command line via: # php /451-www/live2.uptimeinstitute.com/cli/paymentreminder_cron.php I get a similar message: Fatal error: Class 'Joomla\CMS\Factory' not found in /451-www/live2.uptimeinstitute.com/cli/paymentreminder_cron.php on line 57 When I try to test on your server via browser (using the URL https://test7.liquidpurple.com/cli/paymentreminder_cron.php?test_mode=yes&test_mail=This email address is being protected from spambots. You need JavaScript enabled to view it.) , I get a blank page and no email.