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 ('a0912db5cbb679be7e6eb1ed186fcd60', -1, 1711717971, 1711717971, '36a0f5f3', -4, 0, 0)

Line : 187
File : sessions.php