Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /home/kolkata/web/dpboss.center/public_html/include/config.php:3 Stack trace: #0 /home/kolkata/web/dpboss.center/public_html/include/config.php(3): mysqli_error() #1 /home/kolkata/web/dpboss.center/public_html/register.php(4): include('...') #2 {main} thrown in /home/kolkata/web/dpboss.center/public_html/include/config.php on line 3