Individual post warning

Hi

I recently moved a .co.uk domain to .com with the hosting company and since doing so when I click on an individual post the message below shows. Any thoughts on how to solve this would be much appreciated.

Website URL is http://www.primarycoloursrecords.com/news/welcome-to-primary-colours-records/

Warning: Header may not contain more than a single header, new line detected in /home/kitgrill/public_html/primarycoloursrecords.com/wp-includes/link-template.php on line 2386