Warning: mysqli_connect(): (HY000/1045): Access denied for user 'admin'@'10.0.9.188' (using password: YES) in /var/www/html/lib/Database.php on line 9

Fatal error: Uncaught Error: Call to a member function query() on bool in /var/www/html/lib/Database.php:11 Stack trace: #0 /var/www/html/config.php(50): Database->Database() #1 /var/www/html/index.php(2): include_once('/var/www/html/c...') #2 {main} thrown in /var/www/html/lib/Database.php on line 11