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 ('31a1d210f1557f6cb08fb3c8315def3a', -1, 1715005149, 1715005149, '03914a36', 7, 0, 0)

Line : 189
File : sessions.php