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 ('1c9f8a057e2c3eeb4d010993e1cfbe0c', -1, 1711708600, 1711708600, '035555f6', -9, 0, 0)

Line : 187
File : sessions.php