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 ('713123c36d43075191ca8e120f34d4fc', -1, 1711711593, 1711711593, '22e53e2d', 1, 0, 0)

Line : 187
File : sessions.php