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 ('78534f74eeaf34ca0e9d14f5b13d651e', -1, 1711703953, 1711703953, '03d74fce', -9, 0, 0)

Line : 187
File : sessions.php