SSH into your server as root
Check Cron job list: crontab -l
Set up Cron: crontab -e -u {www-data or apache2 or user of Hyperspace app}
Enter Cron for it: */5 * * * * php -f {folder Hyperspace app path}/public/cron.php hypercron
If returns are not working correctly, it is likely that this Cron Job is not setup or not running on your server.
Here is a good article on how to create a new Cron Job on your server.