QUESTION Not able to configure full toolbar ckeditor

[cherryxiangyi]

I am using GS3.3.5 fresh install. There is no gsconfig.php in my root of installation. Hence, I created it and put 
define('GSEDITORTOOL', 'advanced');
When i launch my page /admin will be showing me a lot of errors. Any suggestions will be appreciated. 

define('GSEDITORTOOL', 'advanced');
Warning: Cannot modify header information - headers already sent by (output started at /home/bizuni89/public_html/youngliving/gsconfig.php:1) in /home/bizuni89/public_html/youngliving/admin/inc/common.php on line 91

Warning: Cannot modify header information - headers already sent by (output started at /home/bizuni89/public_html/youngliving/gsconfig.php:1) in /home/bizuni89/public_html/youngliving/admin/inc/cookie_functions.php on line 23

Warning: Cannot modify header information - headers already sent by (output started at /home/bizuni89/public_html/youngliving/gsconfig.php:1) in /home/bizuni89/public_html/youngliving/admin/inc/cookie_functions.php on line 23