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 ('b17bcb9f114c37dd6dd6da577063efaf', -1, 1711646040, 1711646040, '22ee8f46', -11, 0, 0)

Line : 193
File : sessions.php