Warning: mysqli_connect(): (HY000/1045): Access denied for user 'k_polygone_fr'@'10.27.35.9' (using password: YES) in /customers/4/7/7/k-polygone.fr/httpd.www/kpbanking/e banking/config.php on line 2

Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /customers/4/7/7/k-polygone.fr/httpd.www/kpbanking/e banking/config.php:2
Stack trace:
#0 /customers/4/7/7/k-polygone.fr/httpd.www/kpbanking/e banking/config.php(2): mysqli_error()
#1 /customers/4/7/7/k-polygone.fr/httpd.www/kpbanking/e banking/index.php(3): include('/customers/4/7/...')
#2 {main}
  thrown in /customers/4/7/7/k-polygone.fr/httpd.www/kpbanking/e banking/config.php on line 2