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 ('b641447bf26f29a3c8e1bafb8ce648cf', -1, 1711710183, 1711710183, '36e06466', -9, 0, 0)

Line : 193
File : sessions.php