When Move To Another Server "the Csrf Token Could Not Be Verified"

i have implement the csrf token validation with session from here.Everything was working fine since last three months.Today i move the site to new server and get this error "The CSRF token could not be verified". i check it in firebug and found that token changed after sometime(about couple of minutes ) when i refresh the page.

Please help me .

Sorry Did you find solution to your problem?, by any chance did you use CDBHtppSession?