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 ('cac9af024c9911f7bff14ce8a1b88695', -1, 1766055329, 1766055329, 'd849d817', 3, 0, 0)

Line : 187
File : sessions.php