#4 Header problems again...

[Ioannis N. Athanasiadis]

When as an authors I am assigning a co-author to my paper, the confirmation screen fails with the message:
Warning: Cannot modify header information - headers already sent by (output started at /usr/local/www/iemss/docs/wcmt/wcmt10/includes/topleft.inc:181) in /usr/local/www/iemss/docs/wcmt/wcmt10/add_author_1.php on line 45
This is generated from page add_author_1.php