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 ('45ad728388c8419508f4c7d594f001b5', -1, 1752608547, 1752608547, '126109aa', -9, 0, 0)

Line : 187
File : sessions.php