Fatal error: Uncaught ValueError: mysqli_query(): Argument #2 ($query) cannot be empty in /var/www/html/_includes/functions.php:47 Stack trace: #0 /var/www/html/_includes/functions.php(47): mysqli_query(Object(mysqli), '') #1 /var/www/html/index.php(25): mysql_query(NULL) #2 {main} thrown in /var/www/html/_includes/functions.php on line 47