osCommerceITalia

Warning: session_start(): open(/tmp\sess_678d20f3c5cfc28ef78c9d04bc8722aa, O_RDWR) failed: No such file or directory (2) in c:\programmi\easyphp1-8\www\milestone\catalog\admin\includes\functions\sessions.php on line 67

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at c:\programmi\easyphp1-8\www\milestone\catalog\admin\includes\functions\sessions.php:67) in c:\programmi\easyphp1-8\www\milestone\catalog\admin\includes\functions\sessions.php on line 67

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at c:\programmi\easyphp1-8\www\milestone\catalog\admin\includes\functions\sessions.php:67) in c:\programmi\easyphp1-8\www\milestone\catalog\admin\includes\functions\sessions.php on line 67

In admin ho questi errori come faccio per eliminarli.
Grazie per l'aiuto