putting www in my name
when i put www. in front of my url
www.aquariumeverything.com it give me the following problem
Warning: Cannot modify header information - headers already sent by (output started at /hermes/web02/b800/moo.aquariumeverythingco/index.php:3) in /hermes/web02/b800/moo.aquariumeverythingco/
wp-includes/pluggable.php on line 890 but when i just do aquariumeverything.com it is fine