I get the following Errors with that modification
Warning: Cannot modify header information - headers already sent by (output started at /home/vanguard/public_html/cmscontrol/HTMLEditor/editor/plugins/kfm/configuration.php:4) in /home/vanguard/public_html/cmscontrol/HTMLEditor/editor/plugins/kfm/includes/session.class.php on line 31
Warning: Cannot modify header information - headers already sent by (output started at /home/vanguard/public_html/cmscontrol/HTMLEditor/editor/plugins/kfm/configuration.php:4) in /home/vanguard/public_html/cmscontrol/HTMLEditor/editor/plugins/kfm/index.php on line 73