Warning: session_regenerate_id(): Session object destruction failed. ID: files (path: C:\Moodle31\server\moodledata/sessions) in C:\Moodle31\server\moodle\lib\classes\session\manager.php on line 475

Fatal error: Out of memory (allocated 6291456) (tried to allocate 57344 bytes) in C:\Moodle31\server\moodle\question\engine\lib.php on line 36