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 ('13d5dcdfeda29f990b7211bddb8ac11f', -1, 1711708852, 1711708852, '3457c870', 0, 0, 0)

Line : 187
File : sessions.php