phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a98ff7d00a5d0ebe47c53c80f64fd4b8', -1, 1715179332, 1715179332, '340e9637', -2, 0, 0)

Line : 189
File : sessions.php