Warning: mysqli_connect(): (HY000/1045): Access denied for user 'cheffu_de'@'10.27.53.20' (using password: YES) in /customers/a/1/f/cheffu.de/httpd.www/index.php on line 7

Fatal error: Uncaught TypeError: mysqli_set_charset(): Argument #1 ($mysql) must be of type mysqli, bool given in /customers/a/1/f/cheffu.de/httpd.www/index.php:8
Stack trace:
#0 /customers/a/1/f/cheffu.de/httpd.www/index.php(8): mysqli_set_charset(false, 'utf8')
#1 {main}
  thrown in /customers/a/1/f/cheffu.de/httpd.www/index.php on line 8