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 ('1b8e258e99c353d1794dafe7347d48cc', -1, 1757896648, 1757896648, 'd849d828', 3, 0, 0)

Line : 187
File : sessions.php