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 ('416bace7e069934facc05c89f5d8df44', -1, 1711710966, 1711710966, '03e86cab', 1, 0, 0)

Line : 187
File : sessions.php