Looks very similar although whole different application: https://github.com/symphonycms/symphony-2/issues/2783
ATTENTION: [4096] ini_set(): Cannot set 'user' save handler by ini_set() or session_module_name() | LINE: 37 | FILE: C:\xampp\htdocs\shared\code\tce_functions_session.php · Issue #217 · tecnickcom/tcexam · GitHub
edit: and seems to be fixed here: OJS 3.1 Blank screen after installation