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 ('4c878585a470d56c1c305181d9eab04d', -1, 1736725854, 1736725854, '126109a9', 1, 0, 0)

Line : 187
File : sessions.php