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 ('ae67ff2d3a54b122bab458176f148cbb', -1, 1747484614, 1747484614, '030e4f99', 5, 0, 0)

Line : 190
File : sessions.php