как исправить вот эту ошибку

вылазиет ошибка при открытии галлереи в Админ пенели


Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\includes\ses sions.php on line 85

Warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\admin\admin_ functions.php on line 170

Warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\admin\admin_ functions.php on line 171

Warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\admin\admin_ functions.php on line 172

Warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\admin\admin_ functions.php on line 173

Warning: Cannot modify header information - headers already sent by (output started at z:\home\localhost\www\modules\gallery\config.php:3 8) in z:\home\localhost\www\modules\gallery\admin\admin_ functions.php on line 174