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 ('ff2535458ca1d71a8ee0ee11f3c5f50e', -1, 1711709470, 1711709470, '2399aabd', 1, 0, 0)

Line : 187
File : sessions.php