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 ('899f510de6c8bd91c868e7c4a6f05434', -1, 1747805267, 1747805267, '03899db6', 3, 0, 0)

Line : 190
File : sessions.php