Warning: open(\tmp\sess_) failed :

[jignesh]

Warning: open(\tmp\sess_b463846051b781d28ab7acfae7827a9f, O_RDWR) failed: m (2) in C:\foxserv\www\banex\auth.inc on line 5
What could be the eror ??
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[Anon]

\tmp\ doesn't exist