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 ('0a8862469f7db82028fd41210368bec3', -1, 1748595369, 1748595369, '03152984', -2, 0, 0)

Line : 189
File : sessions.php