Hi. I installed a new clean concrete 18.104.22.168 on my server..after install i could go to my dashboard, and do edit the page. But. Today i should open the page again there comes a error message, and all my edit tools are away from the top page. here is the error message
An unexpected error occurred.
PHP Startup: XCache: Unable to initialize module Module compiled with module API=20121212 PHP compiled with module API=20131226 These options need to match