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 ('cb6238579ac70363708e498c5beeb6ad', -1, 1711708801, 1711708801, '035db2dd', -1031, 0, 0)

Line : 193
File : sessions.php