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 ('2843b8b9d92f202c36e964a4822962d0', -1, 1715272422, 1715272422, '03919c2e', -8, 0, 0)

Line : 189
File : sessions.php