I always get this
Warning: Cannot modify header information - headers already sent by (output started at /home/virtual/site117/fst/var/www/html/wp-content/plugins/flickr-gallery.php:574) in /home/virtual/site117/fst/var/www/html/wp-admin/index.php on line 13
OK the part I dont understand is in the installation instruction it says something about "gallery.php" where do I get this? should I create it and where do I put it? please it is urgent.
Talk to me as I am 3 years old
Thanks in advance