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 ('b161572e063880e9ec3d52a444326195', -1, 1711704724, 1711704724, '2cde805a', -9, 0, 0)

Line : 187
File : sessions.php