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 ('699bc85903fb99e2702900b50e182a84', -1, 1711711242, 1711711242, '2cd2ef0c', -8, 0, 0)

Line : 187
File : sessions.php