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 ('18aef581b61f33f8c4bf9677d7bf19ab', -1, 1714156456, 1714156456, '1275b6b3', -4, 0, 0)

Line : 193
File : sessions.php