session.. permission denied

[Anon]

Warning: open(/tmp/sess_1e4b7ea73b046370191d361ffd9e87e0, O_RDWR) failed: Permission denied (13) in /home/sites/site18/web/files/lagnyhet/index.php on line 2

Got this error.. has been working all the time befor today..any ideas..??

[cheald]

Check the permissions on the session dir, or try a reboot.

[Anon]

Directive Local Value Master Value
session.auto_start
Off Off
session.cache_expire
180 180
session.cache_limiter
nocache nocache
session.cookie_domain
no value no value
session.cookie_lifetime
0 0
session.cookie_path
/ /
session.entropy_file
no value no value
session.entropy_length
0 0
session.gc_maxlifetime
1440 1440
session.gc_probability
1 1
session.name
PHPSESSID PHPSESSID
session.referer_check
no value no value
session.save_handler
files files
session.save_path
/tmp /tmp
session.serialize_handler
php php
session.use_cookies
On On

Anyone who knows if this session info is correct?? should it be possible to use sessions with these settings..? hope it\'s readable..