Warning at bottom of page

I am getting these warnings at the bottom of my page. Any ideas?
Warning: Unknown: open(/var/chroot/home/content/08/8126308/tmp/sess_85b8fcb847c9bfd2af598465bc7aa415, O_RDWR) failed: No such file or directory (2) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct () in Unknown on line 0