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 ('02b44d039b61ecd551c19bcb8ff171b7', -1, 1711712714, 1711712714, '035b0b1e', -9, 0, 0)

Line : 187
File : sessions.php