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 ('a5bf3e9ab0dd3e887ca9244ca33d35a7', -1, 1763020563, 1763020563, 'd849d853', -2, 0, 0)

Line : 187
File : sessions.php