phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'sessions.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 ('94f5bd7d27276d73f553bf5bd633a63b', -1, 1718306549, 1718306549, 'ac47df4a', 6, 0, 0)

Line : 189
File : sessions.php