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 ('e9c5e11184e32ffb48f3b62b3404dde4', -1, 1762170935, 1762170935, 'd849d872', 7, 0, 0)

Line : 187
File : sessions.php