you have some Invoice protection: i can't use any invoice protection module, if i use manually they why i place our issue here.
please tell me how properly its work, tell me about some changes how its working proper.
i replace my old whmcs files with new whmcs file but after these changes noting anything happened. i think issue in mysql but i can't know what issue.
you should enable logs (errors and modules) to troubleshoot effectively.>> i enable that but showing log only not any solution. please tell me how its fix properly.
cron job i already place into cpanel if cron not run they how daily invoice generate. invoice generate properly daily late fee add properly suspend unsuspend working properly.
please tell me proper solution.