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 ('d99eb1d33b756d529219078329f20cbb', -1, 1762199053, 1762199053, 'd849d872', 7, 0, 0)

Line : 187
File : sessions.php