Hiki Error

No such file or directory @ rb_file_s_mtime - /home/itpass/hiki/data/session/b08f6b9856771ba9 (Errno::ENOENT)
/usr/local/hiki/lib/hiki/session.rb:25:in `mtime'
/usr/local/hiki/lib/hiki/session.rb:25:in `block in initialize'
/usr/local/hiki/lib/hiki/session.rb:23:in `each'
/usr/local/hiki/lib/hiki/session.rb:23:in `initialize'
/usr/local/hiki/lib/hiki/command.rb:92:in `new'
/usr/local/hiki/lib/hiki/command.rb:92:in `initialize'
/usr/local/hiki/hiki.cgi:35:in `new'
/usr/local/hiki/hiki.cgi:35:in `block in <top (required)>'
/usr/local/hiki/lib/hiki/storage/base.rb:13:in `open_db'
/usr/local/hiki/hiki.cgi:34:in `<top (required)>'
/home/itpass/public_html/hiki/hiki.cgi:2:in `load'
/home/itpass/public_html/hiki/hiki.cgi:2:in `<main>'