3 fejl i OsCommerce - Hjælp

Får følgende fejl i toppen af shoppen:

Warning: session_save_path(): SAFE MODE Restriction in effect. The script whose uid is 574 is not allowed to access owned by uid 0 in /var/www/yack.dk/public_html/catalog/includes/functions/sessions.php on line 148

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /var/www/yack.dk/public_html/catalog/includes/functions/sessions.php:148) in /var/www/yack.dk/public_html/catalog/includes/functions/sessions.php on line 97

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /var/www/yack.dk/public_html/catalog/includes/functions/sessions.php:148) in /var/www/yack.dk/public_html/catalog/includes/functions/sessions.php on line 97


og disse i admin:

Warning: session_save_path(): SAFE MODE Restriction in effect. The script whose uid is 574 is not allowed to access owned by uid 0 in /var/www/yack.dk/public_html/catalog/admin/includes/functions/sessions.php on line 110

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /var/www/yack.dk/public_html/catalog/admin/includes/functions/sessions.php:110) in /var/www/yack.dk/public_html/catalog/admin/includes/functions/sessions.php on line 67

Har forsøgt atændre Chmod...håber i kan hjælpe