Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/beautyshop17/public_html/includes/tools.php:178 Stack trace: #0 /home/beautyshop17/public_html/includes/tools.php(178): mysqli_query(NULL, 'select * from s...') #1 /home/beautyshop17/public_html/includes/core.php(41): Tools::get_setting('site_name') #2 /home/beautyshop17/public_html/index.php(5): core->__construct() #3 {main} thrown in /home/beautyshop17/public_html/includes/tools.php on line 178