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 ('124a2b77e05cd47d3b0956b41f02c5b5', -1, 1747573488, 1747573488, '0d3a78e9', 42, 0, 0)

Line : 190
File : sessions.php