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 ('f41ef5637862c6cb91d10935a0a74a4e', -1, 1711637386, 1711637386, '22e644d6', 15, 0, 0)

Line : 193
File : sessions.php