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 ('976dd7447085968a52df656c40b1064c', -1, 1711708895, 1711708895, '2cc8bf92', 1, 0, 0)

Line : 187
File : sessions.php