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 ('881659cb821e3c32ee3f01c1ecde4c3b', -1, 1749139309, 1749139309, 'd849d8bd', 3, 0, 0)

Line : 190
File : sessions.php