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 ('024174fd910d4e12201740367f98b184', -1, 1711704815, 1711704815, '2ccac6ad', -9, 0, 0)

Line : 187
File : sessions.php