Some times, you will found out your cPanel Daily Process Log appear empty and you have no idea what is happening as there do not have any error log from the WHM.
For this case, you may easily fix it by restarting the crond services. Log into the SSH, run the following command.
service crond restart
Check again if the Daily Process Log showing there or checking the crond status.
service crond status
If the above suggestion not working, you may run the following command from SSH.
/scripts/checkperlmodules –full –force