WordPress database error: [Server shutdown in progress]
SELECT option_value FROM wp_nzcgvv_options WHERE option_name = 'as_has_wp_comment_logs' LIMIT 1

No such file or directory

Error reconnecting to the database

This means that the contact with the database server at localhost was lost. This could mean your host’s database server is down.

Are you sure the database server is running?
Are you sure the database server is not under particularly heavy load?

If you are unsure what these terms mean you should probably contact your host. If you still need help you can always visit the WordPress support forums.

No such file or directory

Error establishing a database connection

This either means that the username and password information in your wp-config.php file is incorrect or that contact with the database server at localhost could not be established. This could mean your host’s database server is down.

Are you sure you have the correct username and password?
Are you sure you have typed the correct hostname?
Are you sure the database server is running?

If you are unsure what these terms mean you should probably contact your host. If you still need help you can always visit the WordPress support forums.