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 ('b11a73a8508071483a23621bf9af7d40', -1, 1711719901, 1711719901, '2cccd925', -8, 0, 0)

Line : 187
File : sessions.php