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 ('85814d861a46b137f0d7e93a71816755', -1, 1715394664, 1715394664, '12e2b1df', 0, 0, 0)

Line : 193
File : sessions.php