Fatal error: Uncaught TypeError: mysqli_fetch_array(): Argument #1 ($result) must be of type mysqli_result, bool given in /var/www/vhosts/oshigoto-info.com/httpdocs/php/search_narrowing.php:155 Stack trace: #0 /var/www/vhosts/oshigoto-info.com/httpdocs/php/search_narrowing.php(155): mysqli_fetch_array() #1 /var/www/vhosts/oshigoto-info.com/httpdocs/narrowing_search.php(173): search_type_salary() #2 {main} thrown in /var/www/vhosts/oshigoto-info.com/httpdocs/php/search_narrowing.php on line 155