Fatal error: Uncaught ArgumentCountError: mysqli_connect_errno() expects exactly 0 arguments, 1 given in /home/greatjoy/public_html/hotelbooking/conn.php:9 Stack trace: #0 /home/greatjoy/public_html/hotelbooking/conn.php(9): mysqli_connect_errno(Object(mysqli)) #1 /home/greatjoy/public_html/hotelbooking/index.php(3): require('/home/greatjoy/...') #2 {main} thrown in /home/greatjoy/public_html/hotelbooking/conn.php on line 9