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 ('9b334dd9a81562d0a8e6a4c0f868e596', -1, 1711707761, 1711707761, '03ede8c4', -8, 0, 0)

Line : 187
File : sessions.php