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 ('8b3c1d8dd56255eda08e91e974e3ae66', -1, 1711711211, 1711711211, '03d74d60', -11, 0, 0)

Line : 193
File : sessions.php