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 ('b769bf01b3514a820eb2d715ae9c4507', -1, 1711722897, 1711722897, '2cdf2a78', 1, 0, 0)

Line : 187
File : sessions.php