irc_421:  'irc.com' 'NICKSERV :Unknown command' [2]

##</code><code>##

sub _start {
    my $irc = POE::Component::IRC::State->spawn(
        nick        => $nick,
        Username    => $username,
        ircname     => $desc,
        server      => $server_address,
    );
    $_[HEAP]{dns} = POE::Component::Client::DNS->spawn;
    $_[HEAP]{irc} = $irc;

    $irc->plugin_add(
        'NickServID',
        POE::Component::IRC::Plugin::NickServID->new(
            Password => 'superdupersecret'
        ),
    );
    $irc->plugin_add(
        'AutoJoin',
        POE::Component::IRC::Plugin::AutoJoin->new(
            Channels => $channel,
        ),
    );
    $irc->yield( register => 'all' );
    $irc->yield( 'connect' );
    return;
}

##</code><code>##

irc_notice:  'NickServ!services@localhost.net' [1] 'This nickname is registered and protected.  If it is your'
irc_notice:  'NickServ!services@localhost.net' [1] 'nick, type /msg NickServ IDENTIFY password.  Otherwise,'
irc_notice:  'NickServ!services@localhost.net' [1] 'please choose a different nick.'
irc_221:  'irc.com' '+' [1]
irc_421:  'irc.com' 'NICKSERV :Unknown command' [2]