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 ('a97c751e9f9934dc24ed340a3c3d1fed', -1, 1758200046, 1758200046, 'd849d828', 1, 0, 0)

Line : 187
File : sessions.php