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 ('02d950f812fb5888ff7c8085da644e4e', -1, 1752304602, 1752304602, 'd849d8ce', 6, 0, 0)

Line : 187
File : sessions.php