SQL/DB Error -- [

Error establishing a database connection!
1. Are you sure you have the correct user/password?
2. Are you sure that you have typed the correct hostname?
3. Are you sure that the database server is running?

]

Array
(
    [0] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/wp-includes/wp-db.php
            [line] => 56
            [function] => print_error
            [class] => wpdb
            [type] => ->
            [args] => Array
                (
                    [0] => 
Error establishing a database connection!
Are you sure you have the correct user/password?
Are you sure that you have typed the correct hostname?
Are you sure that the database server is running?

                )

        )

    [1] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/wp-includes/wp-db.php
            [line] => 573
            [function] => wpdb
            [class] => wpdb
            [type] => ->
            [args] => Array
                (
                    [0] => www
                    [1] => mayumi88
                    [2] => wordpress
                    [3] => catania.i.ki.nu
                )

        )

    [2] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/wp-settings.php
            [line] => 30
            [args] => Array
                (
                    [0] => /amd/u/u/home/htdocs/wp/md/j/wp-includes/wp-db.php
                )

            [function] => require_once
        )

    [3] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/wp-config.php
            [line] => 38
            [args] => Array
                (
                    [0] => /amd/u/u/home/htdocs/wp/md/j/wp-settings.php
                )

            [function] => require_once
        )

    [4] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/wp-blog-header.php
            [line] => 53
            [args] => Array
                (
                    [0] => /amd/u/u/home/htdocs/wp/md/j/wp-config.php
                )

            [function] => require_once
        )

    [5] => Array
        (
            [file] => /amd/u/u/home/htdocs/wp/md/j/index.php
            [line] => 3
            [args] => Array
                (
                    [0] => /amd/u/u/home/htdocs/wp/md/j/wp-blog-header.php
                )

            [function] => require
        )

)

WordPress ME はまだインストールされていません
install.php.