phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO f_activesessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0b8a303d2108c2d4ee415aa83a9b965e', -1, 1769613403, 1769613403, 'd849d83a', -9, 0, 0)

Line : 187
File : sessions.php