guys i am getting a blank page when i add to cart. i am getting these errors when i installed the strict error file


Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/mihyun/public_html/includes/local/configure.php:9) in /home/mihyun/public_html/includes/functions/sessions.php on line 108

Notice: Constant OFFICE_IP_TO_HOST_ADDRESS already defined in /home/mihyun/public_html/includes/languages/english/email_extras.php on line 52

Warning: Cannot modify header information - headers already sent by (output started at /home/mihyun/public_html/includes/local/configure.php:9) in /home/mihyun/public_html/includes/init_includes/init_templates.php on line 78

Warning: Cannot modify header information - headers already sent by (output started at /home/mihyun/public_html/includes/local/configure.php:9) in /home/mihyun/public_html/includes/functions/functions_general.php on line 44

Notice: Object of class queryFactoryResult could not be converted to int in /home/mihyun/public_html/includes/functions/functions_general.php on line 19

can someone please help me figure this out?