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 ('6fa5c8ca4bc02fb91f7ecba7b3d0bb94', -1, 1752221713, 1752221713, 'd849d8ad', -9, 0, 0)

Line : 187
File : sessions.php