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 ('959bd649f39ab8013e66187ff47d4a45', -1, 1711711399, 1711711399, '035948dd', -8, 0, 0)

Line : 187
File : sessions.php