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 ('a786884b213ca7188232f9c05560a5d9', -1, 1711704970, 1711704970, '2cc04944', 5, 0, 0)

Line : 187
File : sessions.php