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 ('f580011b0320002a0052070f02a9dbb5', -1, 1711713041, 1711713041, '3693666f', -11, 0, 0)

Line : 193
File : sessions.php