Hola alguien que ya halla trabajado con Oscommerce me puede explicar porque me da el siguiente error en mi pagina?

Warning: session_save_path() has been disabled for security reasons in /home/dipidipi/public_html/demo/includes/functions/sessions.php on line 169

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/dipidipi/public_html/demo/includes/functions/sessions.php:169) in /home/dipidipi/public_html/demo/includes/functions/sessions.php on line 102

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/dipidipi/public_html/demo/includes/functions/sessions.php:169) in /home/dipidipi/public_html/demo/includes/functions/sessions.php on line 102

o pueden ver el error en
http://demo.dipidipi.com/

Parece un problema de permisos, no obstante veo que ya está solucionado.