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 ('256d1a7c2c07af9b8719ec8e6d5b87e9', -1, 1711727471, 1711727471, '2cc95e01', 3, 0, 0)

Line : 193
File : sessions.php