BuddyPress.org

Dear All

I set up forum step by step. But it have a problem

BuddyPress no active, I can create a group but I can post in this page. However, when i join indirect to BBpress forum, I see group which I have created on BuddyPress page.

Moreover, when i post a new topic in BBpress forum, it have problem, but when i conect again, this topic showed in this forum.

Problem (Error warning) is

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\backpress\class.wp-auth.php on line 235

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\backpress\class.wp-auth.php on line 235

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\backpress\class.wp-auth.php on line 235

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\backpress\class.wp-auth.php on line 235

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\backpress\class.wp-auth.php on line 235

Warning: Cannot modify header information – headers already sent by (output started at C:\xampplite\htdocs\wpmu\forums\bb-config.php:66) in C:\xampplite\htdocs\wpmu\forums\bb-includes\functions.bb-pluggable.php on line 214

Please help me! Thanks