Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /customers/5/5/1/viktorljungstrom.se/httpd.www/city.php:6 Stack trace: #0 /customers/5/5/1/viktorljungstrom.se/httpd.www/city.php(6): mysqli_num_rows(false) #1 {main} thrown in /customers/5/5/1/viktorljungstrom.se/httpd.www/city.php on line 6