Fatal error: Uncaught TypeError: mysqli_real_escape_string(): Argument #1 ($mysql) must be of type mysqli, null given in /var/www/html/assets/includes/functions_general.php:498 Stack trace: #0 /var/www/html/assets/includes/functions_general.php(498): mysqli_real_escape_string() #1 /var/www/html/assets/includes/app_start.php(373): PT_Secure() #2 /var/www/html/assets/includes/functions_one.php(11): require_once('...') #3 /var/www/html/assets/init.php(14): require('...') #4 /var/www/html/index.php(13): require_once('...') #5 {main} thrown in /var/www/html/assets/includes/functions_general.php on line 498