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 ('6f8c6e2b4e1d9a483057f86edb3680cb', -1, 1717041482, 1717041482, '12bcf26e', -4, 0, 0)

Line : 187
File : sessions.php