Our error logs keep filling up with this error:

Hello,

Our error logs keep filling up with this error:

[07-Sep-2014 19:56:47 UTC] PHP Notice: Constant COOKIE_DOMAIN already defined in /home/soobabiz/public_html/wp-content/sunrise.php on line 34
[07-Sep-2014 19:56:47 UTC] PHP Notice: get_current_site_name is deprecated since version 3.9 with no alternative available. in /home/soobabiz/public_html/wp-includes/functions.php on line 3072

What needs to be done?

Thanks,
Phil D