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 ('b29ffe2ee8fa8d389a67c2934bfd27c0', -1, 1752798411, 1752798411, 'd849d8e1', -9, 0, 0)

Line : 187
File : sessions.php