Assalamualaikum,
Welcome, here in this article we will learn how to fix the WHMCS cron job in CyberPanel which is not working currently on Cyberpanel 2.0. so you just need to go manage website then you will find cron jobs option enter there. After that select 5min then paste this command you just need to put your domain name to frilix.com down below.
/usr/local/lsws/lsphp73/bin/lsphp -q /home/frilix.com/public_html/billing/crons/cron.php >/dev/null 2>&1
Then wait for 2hours your cron job will be activated. So this is the short tutorial about this problem.