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 ('ac463a54f59d8afd3e08ac8ec5b5a3e1', -1, 1752628471, 1752628471, 'd849d8a5', -4, 0, 0)

Line : 187
File : sessions.php