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 ('b7c3650a0db506b6067d42a88215a7db', -1, 1711720465, 1711720465, '2cc960d5', 0, 0, 0)

Line : 193
File : sessions.php