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 ('cbc9d46f006664c7b489c3ec921ed6dd', -1, 1762161764, 1762161764, 'd849d885', -2, 0, 0)

Line : 187
File : sessions.php