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 ('fad1d002f36ded82bfddf2912fa0dcda', -1, 1711701976, 1711701976, '12e8bb2f', 0, 0, 0)

Line : 187
File : sessions.php