Админ ответил:

Sorry for the delay I had to get help from cpanel the server software manager.
They said the script is trying to access a file not available on a shared server, you would need a VPS to open up such processes.
You also might want to ask the script maker for help in case there is a ...

создать эту папку с правами? или поменять в БД что либо?
подскажите плз

прошу прощения, я новичек, что именно сделать нужно?

Добрый день,

При установке скрипта выдает ошибку:
/usr/bin/mysql: Can't read dir of '/etc/my.cnf.d' (Errcode: 2 "No such file or directory")
Fatal error in defaults handling. Program aborted

Хотя далее пишет:
Script Installation is done. Please, open http://.......com/tbx/admin/ in your browser ...