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 ('63a155bba922e3b681682beafa8d00bf', -1, 1711712687, 1711712687, '12eacaca', -1031, 0, 0)

Line : 193
File : sessions.php