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 ('da5b99e9de16b958e516dd2287408b32', -1, 1711710624, 1711710624, '3457c870', 4, 0, 0)

Line : 187
File : sessions.php