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 ('4f6c76da330170450227b1b980aa49c6', -1, 1714137775, 1714137775, '03859c9c', -1, 0, 0)

Line : 193
File : sessions.php