Big sessions problem

[Swissmacandy]

Hello

 

i have a big problem with my onlineshop.

 

the sessions wont run here : http://hightechtoys.ch/catalog/

 

this happens:

 

Warning: session_save_path(): Unable to access /catalog/sessions/ in /home/www/web83/html/catalog/includes/functions/sessions.php on line 118

 

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/www/web83/html/catalog/includes/functions/sessions.php:118) in /home/www/web83/html/catalog/includes/functions/sessions.php on line 67

 

But on line 118 is : return session_save_path($path);

 

what can i do ?

 

thanks