Error after initial setup.

[ghostfly]

Warning: Cannot modify header information - headers already sent by (output started at /home/slickcal/public_html/includes/pixelpost.php:62) in /home/slickcal/public_html/admin/index.php on line 125


Above was the error I received after entering a username and password for the first time after the initial setup. Any ideas?

Thanks

[Joe[y]]

please don't double post.