خطا در صفحه اصلی

[mohajer]

سلام
الان دو روز ه که این خطا ها روی صفحه مدیریت سایت سایتم نشون داده میشه :
Warning: ini_set() [function.ini-set]: A session is active. You cannot change the session module's ini settings at this time. in /home/u114230/public_html/kahf/index.php on line 222

Notice: A session had already been started - ignoring session_start() in /home/u114230/public_html/kahf/index.php on line 250

این خطا ها هم روی صفحه اصلسی سایت نشون داده میشه :
Warning: ini_set() [function.ini-set]: A session is active. You cannot change the session module's ini settings at this time. in /home/u114230/public_html/kahf/index.php on line 222

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 2754

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 2521

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 601

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 602

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 603

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 604

Warning: Cannot modify header information - headers already sent by (output started at /home/u114230/public_html/kahf/index.php:222) in /home/u114230/public_html/kahf/includes/core.classes.php on line 605
سایت من روی هاست قرار داره چطور می تونم از دستشون خلاص بشم