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 ('878d5d9596d1695964e49cc8e7e31ada', -1, 1715109774, 1715109774, '0380be66', -10, 0, 0)

Line : 189
File : sessions.php