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 ('3d0f3b4d25f8ca229cfb00fe98b05966', -1, 1715308350, 1715308350, '12e0497d', 2, 0, 0)

Line : 189
File : sessions.php