phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1364 Field 'session_subpage' doesn't have a default value

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('89334e14b48f45189297661af7672bc7', -1, 1419283221, 1419283221, '3657b487', 43, 0, 0)

Line : 232
File : sessions.php