I just upgrade to the latest stable version of limesurvey. Version 2.05+ 141210. After installation and testing with my users, I met two major problems.

1) Any changes on the general paraètres a questionaire, results in a blank page.

2) Complete an online qestionnaire became impossible for the same reasons. The home page is displayed, but you can not go to the second.

I suppose a session parameter to the move. But which one?

Thank you for your help

Did you clear your cache after the update?

hie , that's OK . Actually the problem was much cache at apache.

Thank you to you.

You're welcome!