Fatal error: Uncaught ArgumentCountError: mysqli_connect_errno() expects exactly 0 arguments, 1 given in /home/mahdizol/public_html/connection.php:5 Stack trace: #0 /home/mahdizol/public_html/connection.php(5): mysqli_connect_errno(Object(mysqli)) #1 /home/mahdizol/public_html/commonheader.php(7): include('/home/mahdizol/...') #2 /home/mahdizol/public_html/index.php(1): include('/home/mahdizol/...') #3 {main} thrown in /home/mahdizol/public_html/connection.php on line 5