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 ('d4ab092fcd2082a7465cc57e9f6fee5c', -1, 1769198032, 1769198032, 'd849d83e', 5, 0, 0)

Line : 187
File : sessions.php