Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /var/www/web311/html/script/history/site_db_show.php:20 Stack trace: #0 /var/www/web311/html/script/history/site_db_show.php(20): mysqli_error() #1 {main} thrown in /var/www/web311/html/script/history/site_db_show.php on line 20