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 ('78bad35692dc1aae6105e308300aa9f4', -1, 1714129777, 1714129777, '340e9637', 9, 0, 0)

Line : 193
File : sessions.php