phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9bff9261b480253b0b0b98434a899bf4', -1, 1717128594, 1717128594, '03900f3d', -1, 0, 0)

Line : 187
File : sessions.php