After I upgraded the lsws server from 4.0.9 to 4.0.12, it shows the following error at the login page. Websites work but can't login admin. Any idea? Thanks
Warning: session_start() [function.session-start]: open(/opt/lsws//admin/tmp/sess_5665af9d474038650d9f9a01cd898ff6, O_RDWR) failed...