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 ('977e9681fd5958b6da9e2edecb4ffb79', -1, 1711701868, 1711701868, '369f7418', -4, 0, 0)

Line : 187
File : sessions.php