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 ('a4c89ecfc2d9687b41a2d78bd4e59ca1', -1, 1757424023, 1757424023, 'd849d895', -4, 0, 0)

Line : 187
File : sessions.php