phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cbd33e5271ba0b04e267efae09f96c72', -1, 1751041431, 1751041431, 'd849d8ff', 3, 0, 0)

Line : 189
File : sessions.php