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 ('89c17290c80f85b42e87ec0c2a2a688f', -1, 1769518472, 1769518472, 'd849d83e', 1, 0, 0)

Line : 187
File : sessions.php