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 ('afe8d7d963fd3a84f41f924e56f7c1dd', -1, 1758238886, 1758238886, 'd849d8ba', -2, 0, 0)

Line : 187
File : sessions.php