phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1364 Field 'session_topic' 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 ('bbc3bcb017ca9913721cb9b7c50eff3c', -1, 1714600160, 1714600160, '1276a662', 3, 0, 0)

Line : 193
File : sessions.php