Warning: session_start():

[sacaplc]

I installed osc without any problem but when i click on revivew on any of the products i have, i get error message on top and bottom of my page. If you know how to fix this or have come accorss this before or know the solutin for it, please let me know as your reply is important to me and i thank you in advance for your help.

 

Here is the errors i am getting :

 

Warning: session_start(): The session id contains invalid characters, valid characters are only a-z, A-Z and 0-9 in /home/iberianw/public_html/osc/includes/functions/sessions.php on line 67

 

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/iberianw/public_html/osc/includes/functions/sessions.php:67) in /home/iberianw/public_html/osc/includes/functions/sessions.php on line 67