I am getting similar:
Warning: Cannot modify header information – headers already sent by (output started at /home/southwes/public_html/onqpromotions.co.uk/wp/wp-content/plugins/newstatpress/newstatpress.php:2070) in /home/southwes/public_html/onqpromotions.co.uk/wp/wp-includes/pluggable.php on line 866
